/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-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 10:34:21,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 10:34:21,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 10:34:21,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 10:34:21,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 10:34:21,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 10:34:21,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 10:34:21,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 10:34:21,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 10:34:21,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 10:34:21,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 10:34:21,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 10:34:21,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 10:34:21,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 10:34:21,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 10:34:21,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 10:34:21,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 10:34:21,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 10:34:21,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 10:34:21,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 10:34:21,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 10:34:21,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 10:34:21,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 10:34:21,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 10:34:21,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 10:34:21,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 10:34:21,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 10:34:21,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 10:34:21,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 10:34:21,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 10:34:21,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 10:34:21,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 10:34:21,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 10:34:21,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 10:34:21,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 10:34:21,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 10:34:21,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 10:34:21,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 10:34:21,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 10:34:21,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 10:34:21,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 10:34:21,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 10:34:21,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 10:34:21,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 10:34:21,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 10:34:21,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 10:34:21,635 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 10:34:21,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 10:34:21,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 10:34:21,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 10:34:21,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 10:34:21,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 10:34:21,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 10:34:21,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 10:34:21,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 10:34:21,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 10:34:21,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 10:34:21,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 10:34:21,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 10:34:21,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:34:21,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 10:34:21,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 10:34:21,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 10:34:21,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 10:34:21,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 10:34:21,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 10:34:21,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 10:34:21,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 10:34:22,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 10:34:22,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 10:34:22,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 10:34:22,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 10:34:22,154 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 10:34:22,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:34:22,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1550c7d81/4910349370a14c70866253c63b08c3c7/FLAG2bdd82770 [2020-12-23 10:34:23,056 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 10:34:23,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:34:23,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1550c7d81/4910349370a14c70866253c63b08c3c7/FLAG2bdd82770 [2020-12-23 10:34:23,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/1550c7d81/4910349370a14c70866253c63b08c3c7 [2020-12-23 10:34:23,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 10:34:23,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 10:34:23,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 10:34:23,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 10:34:23,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 10:34:23,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:34:23" (1/1) ... [2020-12-23 10:34:23,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba3ee1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:23, skipping insertion in model container [2020-12-23 10:34:23,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:34:23" (1/1) ... [2020-12-23 10:34:23,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 10:34:23,382 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4655~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] 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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4869~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2020-12-23 10:34:23,717 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-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12428,12441] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] 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[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] 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[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] 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[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] 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[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_5018~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:34:23,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:34:23,869 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4655~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__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[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] 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[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4869~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2020-12-23 10:34:23,989 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-reduced/pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12428,12441] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] 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[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] 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[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] 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[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] 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[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_5018~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2020-12-23 10:34:24,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 10:34:24,137 INFO L208 MainTranslator]: Completed translation [2020-12-23 10:34:24,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24 WrapperNode [2020-12-23 10:34:24,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 10:34:24,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 10:34:24,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 10:34:24,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 10:34:24,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 10:34:24,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 10:34:24,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 10:34:24,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 10:34:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... [2020-12-23 10:34:24,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 10:34:24,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 10:34:24,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 10:34:24,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 10:34:24,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 10:34:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 10:34:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 10:34:24,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 10:34:24,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 10:34:25,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 10:34:25,945 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 10:34:25,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:34:25 BoogieIcfgContainer [2020-12-23 10:34:25,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 10:34:25,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 10:34:25,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 10:34:25,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 10:34:25,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:34:23" (1/3) ... [2020-12-23 10:34:25,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5ff016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:34:25, skipping insertion in model container [2020-12-23 10:34:25,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:34:24" (2/3) ... [2020-12-23 10:34:25,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5ff016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:34:25, skipping insertion in model container [2020-12-23 10:34:25,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:34:25" (3/3) ... [2020-12-23 10:34:25,957 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2020-12-23 10:34:25,964 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 10:34:25,969 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 10:34:25,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 10:34:26,019 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 10:34:26,019 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 10:34:26,020 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 10:34:26,020 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 10:34:26,020 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 10:34:26,020 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 10:34:26,020 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 10:34:26,020 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 10:34:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-12-23 10:34:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 10:34:26,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:26,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:26,063 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:26,070 INFO L82 PathProgramCache]: Analyzing trace with hash 304488522, now seen corresponding path program 1 times [2020-12-23 10:34:26,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:26,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179476852] [2020-12-23 10:34:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:26,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179476852] [2020-12-23 10:34:26,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:26,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:26,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551306871] [2020-12-23 10:34:26,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:26,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:26,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:26,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:26,678 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-12-23 10:34:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:26,859 INFO L93 Difference]: Finished difference Result 568 states and 991 transitions. [2020-12-23 10:34:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:26,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 10:34:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:26,880 INFO L225 Difference]: With dead ends: 568 [2020-12-23 10:34:26,880 INFO L226 Difference]: Without dead ends: 432 [2020-12-23 10:34:26,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:26,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-12-23 10:34:26,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2020-12-23 10:34:26,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-12-23 10:34:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 714 transitions. [2020-12-23 10:34:26,992 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 714 transitions. Word has length 111 [2020-12-23 10:34:26,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:26,993 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 714 transitions. [2020-12-23 10:34:26,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 714 transitions. [2020-12-23 10:34:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:34:27,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:27,011 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] [2020-12-23 10:34:27,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 10:34:27,012 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:27,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1517208970, now seen corresponding path program 1 times [2020-12-23 10:34:27,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:27,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848539234] [2020-12-23 10:34:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:27,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848539234] [2020-12-23 10:34:27,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:27,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:27,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001837500] [2020-12-23 10:34:27,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:27,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:27,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:27,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,294 INFO L87 Difference]: Start difference. First operand 430 states and 714 transitions. Second operand 3 states. [2020-12-23 10:34:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:27,338 INFO L93 Difference]: Finished difference Result 660 states and 1105 transitions. [2020-12-23 10:34:27,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:27,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:34:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:27,344 INFO L225 Difference]: With dead ends: 660 [2020-12-23 10:34:27,344 INFO L226 Difference]: Without dead ends: 533 [2020-12-23 10:34:27,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-12-23 10:34:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2020-12-23 10:34:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-12-23 10:34:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 886 transitions. [2020-12-23 10:34:27,405 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 886 transitions. Word has length 114 [2020-12-23 10:34:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:27,406 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 886 transitions. [2020-12-23 10:34:27,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 886 transitions. [2020-12-23 10:34:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 10:34:27,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:27,408 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] [2020-12-23 10:34:27,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 10:34:27,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:27,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:27,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1179194652, now seen corresponding path program 1 times [2020-12-23 10:34:27,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:27,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230120145] [2020-12-23 10:34:27,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:27,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230120145] [2020-12-23 10:34:27,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:27,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:27,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393831239] [2020-12-23 10:34:27,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:27,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:27,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:27,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,598 INFO L87 Difference]: Start difference. First operand 531 states and 886 transitions. Second operand 3 states. [2020-12-23 10:34:27,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:27,655 INFO L93 Difference]: Finished difference Result 1184 states and 1985 transitions. [2020-12-23 10:34:27,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:27,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 10:34:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:27,662 INFO L225 Difference]: With dead ends: 1184 [2020-12-23 10:34:27,662 INFO L226 Difference]: Without dead ends: 844 [2020-12-23 10:34:27,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-12-23 10:34:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 842. [2020-12-23 10:34:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-12-23 10:34:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1406 transitions. [2020-12-23 10:34:27,710 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1406 transitions. Word has length 114 [2020-12-23 10:34:27,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:27,710 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1406 transitions. [2020-12-23 10:34:27,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1406 transitions. [2020-12-23 10:34:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:34:27,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:27,713 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] [2020-12-23 10:34:27,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 10:34:27,714 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:27,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:27,714 INFO L82 PathProgramCache]: Analyzing trace with hash -236553538, now seen corresponding path program 1 times [2020-12-23 10:34:27,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:27,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603912434] [2020-12-23 10:34:27,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:27,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603912434] [2020-12-23 10:34:27,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:27,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:27,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871316708] [2020-12-23 10:34:27,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:27,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:27,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:27,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,890 INFO L87 Difference]: Start difference. First operand 842 states and 1406 transitions. Second operand 3 states. [2020-12-23 10:34:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:27,960 INFO L93 Difference]: Finished difference Result 1462 states and 2452 transitions. [2020-12-23 10:34:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:27,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:34:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:27,971 INFO L225 Difference]: With dead ends: 1462 [2020-12-23 10:34:27,971 INFO L226 Difference]: Without dead ends: 1122 [2020-12-23 10:34:27,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:27,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-12-23 10:34:28,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1120. [2020-12-23 10:34:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-12-23 10:34:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1872 transitions. [2020-12-23 10:34:28,029 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1872 transitions. Word has length 117 [2020-12-23 10:34:28,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:28,031 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1872 transitions. [2020-12-23 10:34:28,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1872 transitions. [2020-12-23 10:34:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 10:34:28,034 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:28,035 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] [2020-12-23 10:34:28,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 10:34:28,035 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:28,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2147173936, now seen corresponding path program 1 times [2020-12-23 10:34:28,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:28,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596731042] [2020-12-23 10:34:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:28,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596731042] [2020-12-23 10:34:28,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:28,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:28,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029827946] [2020-12-23 10:34:28,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:28,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:28,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:28,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:28,213 INFO L87 Difference]: Start difference. First operand 1120 states and 1872 transitions. Second operand 3 states. [2020-12-23 10:34:28,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:28,324 INFO L93 Difference]: Finished difference Result 2861 states and 4787 transitions. [2020-12-23 10:34:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:28,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 10:34:28,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:28,342 INFO L225 Difference]: With dead ends: 2861 [2020-12-23 10:34:28,342 INFO L226 Difference]: Without dead ends: 1950 [2020-12-23 10:34:28,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:28,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-12-23 10:34:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1948. [2020-12-23 10:34:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2020-12-23 10:34:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 3243 transitions. [2020-12-23 10:34:28,493 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 3243 transitions. Word has length 117 [2020-12-23 10:34:28,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:28,494 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 3243 transitions. [2020-12-23 10:34:28,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3243 transitions. [2020-12-23 10:34:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:34:28,496 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:28,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:28,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 10:34:28,497 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:28,497 INFO L82 PathProgramCache]: Analyzing trace with hash 866565200, now seen corresponding path program 1 times [2020-12-23 10:34:28,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:28,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645613424] [2020-12-23 10:34:28,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:28,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645613424] [2020-12-23 10:34:28,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:28,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:28,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904471004] [2020-12-23 10:34:28,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:28,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:28,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:28,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:28,642 INFO L87 Difference]: Start difference. First operand 1948 states and 3243 transitions. Second operand 3 states. [2020-12-23 10:34:28,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:28,786 INFO L93 Difference]: Finished difference Result 3554 states and 5943 transitions. [2020-12-23 10:34:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:28,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:34:28,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:28,804 INFO L225 Difference]: With dead ends: 3554 [2020-12-23 10:34:28,804 INFO L226 Difference]: Without dead ends: 2643 [2020-12-23 10:34:28,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:28,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2020-12-23 10:34:28,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2641. [2020-12-23 10:34:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2020-12-23 10:34:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 4398 transitions. [2020-12-23 10:34:29,004 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 4398 transitions. Word has length 120 [2020-12-23 10:34:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:29,004 INFO L481 AbstractCegarLoop]: Abstraction has 2641 states and 4398 transitions. [2020-12-23 10:34:29,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 4398 transitions. [2020-12-23 10:34:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 10:34:29,007 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:29,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:29,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 10:34:29,008 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:29,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:29,009 INFO L82 PathProgramCache]: Analyzing trace with hash 83170558, now seen corresponding path program 1 times [2020-12-23 10:34:29,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:29,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699311729] [2020-12-23 10:34:29,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:29,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699311729] [2020-12-23 10:34:29,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:29,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:29,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007364355] [2020-12-23 10:34:29,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:29,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:29,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:29,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:29,170 INFO L87 Difference]: Start difference. First operand 2641 states and 4398 transitions. Second operand 3 states. [2020-12-23 10:34:29,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:29,589 INFO L93 Difference]: Finished difference Result 7226 states and 12005 transitions. [2020-12-23 10:34:29,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:29,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 10:34:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:29,632 INFO L225 Difference]: With dead ends: 7226 [2020-12-23 10:34:29,632 INFO L226 Difference]: Without dead ends: 4812 [2020-12-23 10:34:29,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2020-12-23 10:34:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 4810. [2020-12-23 10:34:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-23 10:34:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 7944 transitions. [2020-12-23 10:34:30,068 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 7944 transitions. Word has length 120 [2020-12-23 10:34:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:30,069 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 7944 transitions. [2020-12-23 10:34:30,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 7944 transitions. [2020-12-23 10:34:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-23 10:34:30,072 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:30,072 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] [2020-12-23 10:34:30,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 10:34:30,073 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:30,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1139352598, now seen corresponding path program 1 times [2020-12-23 10:34:30,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:30,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6154149] [2020-12-23 10:34:30,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:30,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6154149] [2020-12-23 10:34:30,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:30,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:34:30,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146081969] [2020-12-23 10:34:30,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:34:30,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:30,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:34:30,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:34:30,220 INFO L87 Difference]: Start difference. First operand 4810 states and 7944 transitions. Second operand 6 states. [2020-12-23 10:34:32,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:32,025 INFO L93 Difference]: Finished difference Result 29771 states and 49577 transitions. [2020-12-23 10:34:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 10:34:32,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2020-12-23 10:34:32,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:32,144 INFO L225 Difference]: With dead ends: 29771 [2020-12-23 10:34:32,144 INFO L226 Difference]: Without dead ends: 25188 [2020-12-23 10:34:32,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 10:34:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25188 states. [2020-12-23 10:34:33,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25188 to 9236. [2020-12-23 10:34:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9236 states. [2020-12-23 10:34:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9236 states to 9236 states and 15212 transitions. [2020-12-23 10:34:33,194 INFO L78 Accepts]: Start accepts. Automaton has 9236 states and 15212 transitions. Word has length 123 [2020-12-23 10:34:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:33,194 INFO L481 AbstractCegarLoop]: Abstraction has 9236 states and 15212 transitions. [2020-12-23 10:34:33,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:34:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 9236 states and 15212 transitions. [2020-12-23 10:34:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:34:33,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:33,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:33,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 10:34:33,197 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:33,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:33,198 INFO L82 PathProgramCache]: Analyzing trace with hash 893130139, now seen corresponding path program 1 times [2020-12-23 10:34:33,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:33,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680726839] [2020-12-23 10:34:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:33,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680726839] [2020-12-23 10:34:33,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:33,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:34:33,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578926905] [2020-12-23 10:34:33,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:34:33,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:33,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:34:33,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:34:33,311 INFO L87 Difference]: Start difference. First operand 9236 states and 15212 transitions. Second operand 4 states. [2020-12-23 10:34:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:34,700 INFO L93 Difference]: Finished difference Result 30029 states and 49739 transitions. [2020-12-23 10:34:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:34:34,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-23 10:34:34,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:34,749 INFO L225 Difference]: With dead ends: 30029 [2020-12-23 10:34:34,750 INFO L226 Difference]: Without dead ends: 21020 [2020-12-23 10:34:34,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:34:34,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21020 states. [2020-12-23 10:34:36,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21020 to 15091. [2020-12-23 10:34:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15091 states. [2020-12-23 10:34:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15091 states to 15091 states and 24876 transitions. [2020-12-23 10:34:36,124 INFO L78 Accepts]: Start accepts. Automaton has 15091 states and 24876 transitions. Word has length 124 [2020-12-23 10:34:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:36,124 INFO L481 AbstractCegarLoop]: Abstraction has 15091 states and 24876 transitions. [2020-12-23 10:34:36,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:34:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 15091 states and 24876 transitions. [2020-12-23 10:34:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 10:34:36,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:36,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:36,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 10:34:36,128 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:36,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:36,129 INFO L82 PathProgramCache]: Analyzing trace with hash -485089184, now seen corresponding path program 1 times [2020-12-23 10:34:36,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:36,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222037354] [2020-12-23 10:34:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:36,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222037354] [2020-12-23 10:34:36,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:36,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 10:34:36,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039912323] [2020-12-23 10:34:36,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 10:34:36,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:36,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 10:34:36,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:36,435 INFO L87 Difference]: Start difference. First operand 15091 states and 24876 transitions. Second operand 3 states. [2020-12-23 10:34:37,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:37,493 INFO L93 Difference]: Finished difference Result 28697 states and 47478 transitions. [2020-12-23 10:34:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 10:34:37,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 10:34:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:37,543 INFO L225 Difference]: With dead ends: 28697 [2020-12-23 10:34:37,544 INFO L226 Difference]: Without dead ends: 20733 [2020-12-23 10:34:37,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 10:34:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2020-12-23 10:34:38,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 20731. [2020-12-23 10:34:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20731 states. [2020-12-23 10:34:38,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20731 states to 20731 states and 34119 transitions. [2020-12-23 10:34:38,767 INFO L78 Accepts]: Start accepts. Automaton has 20731 states and 34119 transitions. Word has length 124 [2020-12-23 10:34:38,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:38,767 INFO L481 AbstractCegarLoop]: Abstraction has 20731 states and 34119 transitions. [2020-12-23 10:34:38,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 10:34:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 20731 states and 34119 transitions. [2020-12-23 10:34:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 10:34:38,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:38,769 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] [2020-12-23 10:34:38,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 10:34:38,770 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:38,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1854726525, now seen corresponding path program 1 times [2020-12-23 10:34:38,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:38,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357796056] [2020-12-23 10:34:38,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:38,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357796056] [2020-12-23 10:34:38,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:38,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:34:38,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880234657] [2020-12-23 10:34:38,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:34:38,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:38,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:34:38,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:34:38,905 INFO L87 Difference]: Start difference. First operand 20731 states and 34119 transitions. Second operand 4 states. [2020-12-23 10:34:41,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:41,410 INFO L93 Difference]: Finished difference Result 67909 states and 112035 transitions. [2020-12-23 10:34:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:34:41,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-12-23 10:34:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:41,512 INFO L225 Difference]: With dead ends: 67909 [2020-12-23 10:34:41,513 INFO L226 Difference]: Without dead ends: 47423 [2020-12-23 10:34:41,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:34:41,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47423 states. [2020-12-23 10:34:43,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47423 to 33748. [2020-12-23 10:34:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33748 states. [2020-12-23 10:34:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33748 states to 33748 states and 55389 transitions. [2020-12-23 10:34:43,779 INFO L78 Accepts]: Start accepts. Automaton has 33748 states and 55389 transitions. Word has length 125 [2020-12-23 10:34:43,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:43,780 INFO L481 AbstractCegarLoop]: Abstraction has 33748 states and 55389 transitions. [2020-12-23 10:34:43,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:34:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 33748 states and 55389 transitions. [2020-12-23 10:34:43,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 10:34:43,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:43,782 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] [2020-12-23 10:34:43,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 10:34:43,783 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:43,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1604001442, now seen corresponding path program 1 times [2020-12-23 10:34:43,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:43,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173774454] [2020-12-23 10:34:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:43,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173774454] [2020-12-23 10:34:43,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:43,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:34:43,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37185308] [2020-12-23 10:34:43,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:34:43,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:43,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:34:43,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:34:43,901 INFO L87 Difference]: Start difference. First operand 33748 states and 55389 transitions. Second operand 4 states. [2020-12-23 10:34:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:47,666 INFO L93 Difference]: Finished difference Result 109323 states and 179874 transitions. [2020-12-23 10:34:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:34:47,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-12-23 10:34:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:47,839 INFO L225 Difference]: With dead ends: 109323 [2020-12-23 10:34:47,839 INFO L226 Difference]: Without dead ends: 75820 [2020-12-23 10:34:48,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:34:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75820 states. [2020-12-23 10:34:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75820 to 54641. [2020-12-23 10:34:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54641 states. [2020-12-23 10:34:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54641 states to 54641 states and 89427 transitions. [2020-12-23 10:34:51,585 INFO L78 Accepts]: Start accepts. Automaton has 54641 states and 89427 transitions. Word has length 126 [2020-12-23 10:34:51,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:34:51,585 INFO L481 AbstractCegarLoop]: Abstraction has 54641 states and 89427 transitions. [2020-12-23 10:34:51,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:34:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 54641 states and 89427 transitions. [2020-12-23 10:34:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 10:34:51,587 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:34:51,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:34:51,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 10:34:51,588 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:34:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:34:51,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1868950812, now seen corresponding path program 1 times [2020-12-23 10:34:51,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:34:51,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423909156] [2020-12-23 10:34:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:34:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:34:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:34:51,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423909156] [2020-12-23 10:34:51,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:34:51,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 10:34:51,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817235634] [2020-12-23 10:34:51,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 10:34:51,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:34:51,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 10:34:51,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 10:34:51,680 INFO L87 Difference]: Start difference. First operand 54641 states and 89427 transitions. Second operand 4 states. [2020-12-23 10:34:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:34:58,411 INFO L93 Difference]: Finished difference Result 175049 states and 287186 transitions. [2020-12-23 10:34:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 10:34:58,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2020-12-23 10:34:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:34:58,632 INFO L225 Difference]: With dead ends: 175049 [2020-12-23 10:34:58,632 INFO L226 Difference]: Without dead ends: 120653 [2020-12-23 10:34:58,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:34:58,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120653 states. [2020-12-23 10:35:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120653 to 87422. [2020-12-23 10:35:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:35:04,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142673 transitions. [2020-12-23 10:35:04,651 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142673 transitions. Word has length 127 [2020-12-23 10:35:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:35:04,656 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142673 transitions. [2020-12-23 10:35:04,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 10:35:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142673 transitions. [2020-12-23 10:35:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-23 10:35:04,658 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:35:04,658 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] [2020-12-23 10:35:04,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 10:35:04,659 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:35:04,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:35:04,659 INFO L82 PathProgramCache]: Analyzing trace with hash 2012261173, now seen corresponding path program 1 times [2020-12-23 10:35:04,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:35:04,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130885732] [2020-12-23 10:35:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:35:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:35:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:35:04,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130885732] [2020-12-23 10:35:04,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:35:04,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:35:04,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968699187] [2020-12-23 10:35:04,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:35:04,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:35:04,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:35:04,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:35:04,933 INFO L87 Difference]: Start difference. First operand 87422 states and 142673 transitions. Second operand 6 states. [2020-12-23 10:35:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:35:10,993 INFO L93 Difference]: Finished difference Result 174601 states and 284955 transitions. [2020-12-23 10:35:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:35:10,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-12-23 10:35:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:35:11,148 INFO L225 Difference]: With dead ends: 174601 [2020-12-23 10:35:11,148 INFO L226 Difference]: Without dead ends: 87424 [2020-12-23 10:35:11,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-23 10:35:11,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87424 states. [2020-12-23 10:35:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87424 to 87422. [2020-12-23 10:35:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2020-12-23 10:35:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142048 transitions. [2020-12-23 10:35:16,723 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142048 transitions. Word has length 129 [2020-12-23 10:35:16,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:35:16,723 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142048 transitions. [2020-12-23 10:35:16,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:35:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142048 transitions. [2020-12-23 10:35:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-23 10:35:16,724 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:35:16,725 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:35:16,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 10:35:16,725 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:35:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:35:16,725 INFO L82 PathProgramCache]: Analyzing trace with hash 365685076, now seen corresponding path program 1 times [2020-12-23 10:35:16,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:35:16,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716612434] [2020-12-23 10:35:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:35:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:35:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:35:17,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716612434] [2020-12-23 10:35:17,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:35:17,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:35:17,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698986174] [2020-12-23 10:35:17,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:35:17,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:35:17,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:35:17,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:35:17,141 INFO L87 Difference]: Start difference. First operand 87422 states and 142048 transitions. Second operand 6 states. [2020-12-23 10:35:33,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:35:33,025 INFO L93 Difference]: Finished difference Result 328443 states and 534734 transitions. [2020-12-23 10:35:33,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:35:33,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2020-12-23 10:35:33,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:35:33,665 INFO L225 Difference]: With dead ends: 328443 [2020-12-23 10:35:33,665 INFO L226 Difference]: Without dead ends: 241266 [2020-12-23 10:35:33,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-23 10:35:33,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241266 states. [2020-12-23 10:35:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241266 to 168414. [2020-12-23 10:35:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168414 states. [2020-12-23 10:35:47,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168414 states to 168414 states and 272047 transitions. [2020-12-23 10:35:47,125 INFO L78 Accepts]: Start accepts. Automaton has 168414 states and 272047 transitions. Word has length 132 [2020-12-23 10:35:47,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:35:47,126 INFO L481 AbstractCegarLoop]: Abstraction has 168414 states and 272047 transitions. [2020-12-23 10:35:47,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:35:47,126 INFO L276 IsEmpty]: Start isEmpty. Operand 168414 states and 272047 transitions. [2020-12-23 10:35:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-23 10:35:47,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:35:47,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:35:47,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 10:35:47,138 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:35:47,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:35:47,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1550573646, now seen corresponding path program 1 times [2020-12-23 10:35:47,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:35:47,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492915582] [2020-12-23 10:35:47,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:35:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:35:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 10:35:47,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492915582] [2020-12-23 10:35:47,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:35:47,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 10:35:47,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329840601] [2020-12-23 10:35:47,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 10:35:47,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:35:47,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 10:35:47,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 10:35:47,386 INFO L87 Difference]: Start difference. First operand 168414 states and 272047 transitions. Second operand 5 states. [2020-12-23 10:36:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:36:11,933 INFO L93 Difference]: Finished difference Result 327635 states and 527088 transitions. [2020-12-23 10:36:11,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:36:11,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-12-23 10:36:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:36:12,772 INFO L225 Difference]: With dead ends: 327635 [2020-12-23 10:36:12,772 INFO L226 Difference]: Without dead ends: 327633 [2020-12-23 10:36:12,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:36:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327633 states. [2020-12-23 10:36:28,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327633 to 172482. [2020-12-23 10:36:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172482 states. [2020-12-23 10:36:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172482 states to 172482 states and 276088 transitions. [2020-12-23 10:36:29,103 INFO L78 Accepts]: Start accepts. Automaton has 172482 states and 276088 transitions. Word has length 133 [2020-12-23 10:36:29,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:36:29,103 INFO L481 AbstractCegarLoop]: Abstraction has 172482 states and 276088 transitions. [2020-12-23 10:36:29,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 10:36:29,103 INFO L276 IsEmpty]: Start isEmpty. Operand 172482 states and 276088 transitions. [2020-12-23 10:36:29,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 10:36:29,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:36:29,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:36:29,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 10:36:29,113 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:36:29,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:36:29,114 INFO L82 PathProgramCache]: Analyzing trace with hash -2098432369, now seen corresponding path program 1 times [2020-12-23 10:36:29,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:36:29,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560092848] [2020-12-23 10:36:29,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:36:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:36:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 10:36:29,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560092848] [2020-12-23 10:36:29,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:36:29,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:36:29,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687118569] [2020-12-23 10:36:29,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:36:29,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:36:29,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:36:29,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:36:29,572 INFO L87 Difference]: Start difference. First operand 172482 states and 276088 transitions. Second operand 6 states. [2020-12-23 10:36:54,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 10:36:54,431 INFO L93 Difference]: Finished difference Result 359636 states and 578793 transitions. [2020-12-23 10:36:54,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 10:36:54,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-12-23 10:36:54,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 10:36:55,163 INFO L225 Difference]: With dead ends: 359636 [2020-12-23 10:36:55,163 INFO L226 Difference]: Without dead ends: 283834 [2020-12-23 10:36:55,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 10:36:55,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283834 states. [2020-12-23 10:37:15,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283834 to 225007. [2020-12-23 10:37:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225007 states. [2020-12-23 10:37:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225007 states to 225007 states and 360557 transitions. [2020-12-23 10:37:16,502 INFO L78 Accepts]: Start accepts. Automaton has 225007 states and 360557 transitions. Word has length 163 [2020-12-23 10:37:16,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 10:37:16,503 INFO L481 AbstractCegarLoop]: Abstraction has 225007 states and 360557 transitions. [2020-12-23 10:37:16,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 10:37:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 225007 states and 360557 transitions. [2020-12-23 10:37:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-23 10:37:16,529 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 10:37:16,530 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 10:37:16,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 10:37:16,530 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 10:37:16,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 10:37:16,530 INFO L82 PathProgramCache]: Analyzing trace with hash -903642171, now seen corresponding path program 1 times [2020-12-23 10:37:16,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 10:37:16,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5175606] [2020-12-23 10:37:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 10:37:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 10:37:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-23 10:37:16,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5175606] [2020-12-23 10:37:16,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 10:37:16,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 10:37:16,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025842380] [2020-12-23 10:37:16,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 10:37:16,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 10:37:16,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 10:37:16,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 10:37:16,704 INFO L87 Difference]: Start difference. First operand 225007 states and 360557 transitions. Second operand 6 states.