/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.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:25:37,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:25:37,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:25:37,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:25:37,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:25:37,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:25:37,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:25:37,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:25:37,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:25:37,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:25:37,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:25:37,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:25:37,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:25:37,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:25:37,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:25:37,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:25:37,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:25:37,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:25:37,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:25:37,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:25:37,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:25:37,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:25:37,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:25:37,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:25:37,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:25:37,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:25:37,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:25:37,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:25:37,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:25:37,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:25:37,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:25:37,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:25:37,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:25:37,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:25:37,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:25:37,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:25:37,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:25:37,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:25:37,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:25:37,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:25:37,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:25:37,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:25:37,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:25:37,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:25:37,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:25:37,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:25:37,670 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:25:37,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:25:37,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:25:37,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:25:37,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:25:37,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:25:37,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:25:37,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:25:37,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:25:37,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:25:37,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:25:37,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:25:37,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:25:37,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:25:37,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:25:37,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:25:37,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:25:37,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:25:37,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:25:37,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:25:37,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:25:37,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:25:38,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:25:38,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:25:38,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:25:38,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:25:38,086 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:25:38,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-01-06 20:25:38,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3cffd5cde/cab03b67126649b89531a3ea661ac956/FLAGe4dfd9a91 [2021-01-06 20:25:38,844 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:25:38,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-01-06 20:25:38,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3cffd5cde/cab03b67126649b89531a3ea661ac956/FLAGe4dfd9a91 [2021-01-06 20:25:39,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3cffd5cde/cab03b67126649b89531a3ea661ac956 [2021-01-06 20:25:39,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:25:39,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:25:39,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:25:39,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:25:39,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:25:39,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:39,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655a8039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39, skipping insertion in model container [2021-01-06 20:25:39,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:39,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:25:39,221 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[~nl1~0,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,] [2021-01-06 20:25:39,608 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.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12430,12443] 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[~st1~0,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,] [2021-01-06 20:25:39,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:25:39,752 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[~nl1~0,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,] [2021-01-06 20:25:39,886 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.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[12430,12443] 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[~st1~0,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,] [2021-01-06 20:25:39,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:25:39,961 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:25:39,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39 WrapperNode [2021-01-06 20:25:39,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:25:39,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:25:39,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:25:39,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:25:39,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:39,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:25:40,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:25:40,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:25:40,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:25:40,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... [2021-01-06 20:25:40,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:25:40,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:25:40,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:25:40,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:25:40,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:25:40,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:25:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:25:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:25:40,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:25:41,613 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:25:41,613 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:25:41,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:25:41 BoogieIcfgContainer [2021-01-06 20:25:41,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:25:41,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:25:41,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:25:41,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:25:41,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:25:39" (1/3) ... [2021-01-06 20:25:41,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674ea1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:25:41, skipping insertion in model container [2021-01-06 20:25:41,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:25:39" (2/3) ... [2021-01-06 20:25:41,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674ea1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:25:41, skipping insertion in model container [2021-01-06 20:25:41,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:25:41" (3/3) ... [2021-01-06 20:25:41,624 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-01-06 20:25:41,631 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:25:41,636 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:25:41,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:25:41,684 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:25:41,685 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:25:41,685 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:25:41,685 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:25:41,685 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:25:41,685 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:25:41,685 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:25:41,686 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:25:41,707 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2021-01-06 20:25:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 20:25:41,723 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:41,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:25:41,725 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:41,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:41,731 INFO L82 PathProgramCache]: Analyzing trace with hash 304488522, now seen corresponding path program 1 times [2021-01-06 20:25:41,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:41,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118883444] [2021-01-06 20:25:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:42,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118883444] [2021-01-06 20:25:42,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:42,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:42,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706328804] [2021-01-06 20:25:42,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:42,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:42,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:42,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:42,317 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2021-01-06 20:25:42,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:42,451 INFO L93 Difference]: Finished difference Result 568 states and 991 transitions. [2021-01-06 20:25:42,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:42,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2021-01-06 20:25:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:42,480 INFO L225 Difference]: With dead ends: 568 [2021-01-06 20:25:42,481 INFO L226 Difference]: Without dead ends: 432 [2021-01-06 20:25:42,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:42,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2021-01-06 20:25:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2021-01-06 20:25:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2021-01-06 20:25:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 714 transitions. [2021-01-06 20:25:42,570 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 714 transitions. Word has length 111 [2021-01-06 20:25:42,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:42,571 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 714 transitions. [2021-01-06 20:25:42,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 714 transitions. [2021-01-06 20:25:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-01-06 20:25:42,597 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:42,597 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] [2021-01-06 20:25:42,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:25:42,598 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:42,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:42,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1517208970, now seen corresponding path program 1 times [2021-01-06 20:25:42,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:42,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279631180] [2021-01-06 20:25:42,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:42,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279631180] [2021-01-06 20:25:42,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:42,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:42,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726642053] [2021-01-06 20:25:42,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:42,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:42,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:42,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:42,910 INFO L87 Difference]: Start difference. First operand 430 states and 714 transitions. Second operand 3 states. [2021-01-06 20:25:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:43,011 INFO L93 Difference]: Finished difference Result 660 states and 1105 transitions. [2021-01-06 20:25:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:43,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2021-01-06 20:25:43,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:43,021 INFO L225 Difference]: With dead ends: 660 [2021-01-06 20:25:43,021 INFO L226 Difference]: Without dead ends: 533 [2021-01-06 20:25:43,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2021-01-06 20:25:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2021-01-06 20:25:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2021-01-06 20:25:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 886 transitions. [2021-01-06 20:25:43,093 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 886 transitions. Word has length 114 [2021-01-06 20:25:43,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:43,094 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 886 transitions. [2021-01-06 20:25:43,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 886 transitions. [2021-01-06 20:25:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-01-06 20:25:43,101 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:43,101 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] [2021-01-06 20:25:43,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:25:43,102 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:43,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:43,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1179194652, now seen corresponding path program 1 times [2021-01-06 20:25:43,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:43,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555466079] [2021-01-06 20:25:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:43,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555466079] [2021-01-06 20:25:43,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:43,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:43,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017507072] [2021-01-06 20:25:43,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:43,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:43,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:43,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,250 INFO L87 Difference]: Start difference. First operand 531 states and 886 transitions. Second operand 3 states. [2021-01-06 20:25:43,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:43,319 INFO L93 Difference]: Finished difference Result 1184 states and 1985 transitions. [2021-01-06 20:25:43,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:43,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2021-01-06 20:25:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:43,327 INFO L225 Difference]: With dead ends: 1184 [2021-01-06 20:25:43,327 INFO L226 Difference]: Without dead ends: 844 [2021-01-06 20:25:43,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2021-01-06 20:25:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 842. [2021-01-06 20:25:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2021-01-06 20:25:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1406 transitions. [2021-01-06 20:25:43,375 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1406 transitions. Word has length 114 [2021-01-06 20:25:43,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:43,376 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1406 transitions. [2021-01-06 20:25:43,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:43,376 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1406 transitions. [2021-01-06 20:25:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 20:25:43,380 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:43,381 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] [2021-01-06 20:25:43,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:25:43,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:43,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:43,382 INFO L82 PathProgramCache]: Analyzing trace with hash -236553538, now seen corresponding path program 1 times [2021-01-06 20:25:43,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:43,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597617540] [2021-01-06 20:25:43,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:43,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597617540] [2021-01-06 20:25:43,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:43,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:43,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802125582] [2021-01-06 20:25:43,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:43,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:43,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:43,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,537 INFO L87 Difference]: Start difference. First operand 842 states and 1406 transitions. Second operand 3 states. [2021-01-06 20:25:43,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:43,619 INFO L93 Difference]: Finished difference Result 1462 states and 2452 transitions. [2021-01-06 20:25:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:43,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-06 20:25:43,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:43,631 INFO L225 Difference]: With dead ends: 1462 [2021-01-06 20:25:43,631 INFO L226 Difference]: Without dead ends: 1122 [2021-01-06 20:25:43,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2021-01-06 20:25:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1120. [2021-01-06 20:25:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2021-01-06 20:25:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1872 transitions. [2021-01-06 20:25:43,697 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1872 transitions. Word has length 117 [2021-01-06 20:25:43,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:43,699 INFO L481 AbstractCegarLoop]: Abstraction has 1120 states and 1872 transitions. [2021-01-06 20:25:43,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1872 transitions. [2021-01-06 20:25:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-01-06 20:25:43,707 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:43,708 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] [2021-01-06 20:25:43,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:25:43,708 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:43,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:43,709 INFO L82 PathProgramCache]: Analyzing trace with hash 2147173936, now seen corresponding path program 1 times [2021-01-06 20:25:43,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:43,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543653378] [2021-01-06 20:25:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:43,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543653378] [2021-01-06 20:25:43,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:43,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:43,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060681903] [2021-01-06 20:25:43,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:43,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:43,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:43,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:43,870 INFO L87 Difference]: Start difference. First operand 1120 states and 1872 transitions. Second operand 3 states. [2021-01-06 20:25:43,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:43,998 INFO L93 Difference]: Finished difference Result 2861 states and 4787 transitions. [2021-01-06 20:25:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:43,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2021-01-06 20:25:43,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:44,013 INFO L225 Difference]: With dead ends: 2861 [2021-01-06 20:25:44,014 INFO L226 Difference]: Without dead ends: 1950 [2021-01-06 20:25:44,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-01-06 20:25:44,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1948. [2021-01-06 20:25:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2021-01-06 20:25:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 3243 transitions. [2021-01-06 20:25:44,159 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 3243 transitions. Word has length 117 [2021-01-06 20:25:44,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:44,159 INFO L481 AbstractCegarLoop]: Abstraction has 1948 states and 3243 transitions. [2021-01-06 20:25:44,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3243 transitions. [2021-01-06 20:25:44,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 20:25:44,162 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:44,162 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] [2021-01-06 20:25:44,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:25:44,162 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash 866565200, now seen corresponding path program 1 times [2021-01-06 20:25:44,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:44,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464270939] [2021-01-06 20:25:44,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:44,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464270939] [2021-01-06 20:25:44,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:44,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:44,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86334638] [2021-01-06 20:25:44,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:44,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:44,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:44,293 INFO L87 Difference]: Start difference. First operand 1948 states and 3243 transitions. Second operand 3 states. [2021-01-06 20:25:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:44,497 INFO L93 Difference]: Finished difference Result 3554 states and 5943 transitions. [2021-01-06 20:25:44,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:44,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2021-01-06 20:25:44,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:44,521 INFO L225 Difference]: With dead ends: 3554 [2021-01-06 20:25:44,522 INFO L226 Difference]: Without dead ends: 2643 [2021-01-06 20:25:44,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2021-01-06 20:25:44,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 2641. [2021-01-06 20:25:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2641 states. [2021-01-06 20:25:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2641 states and 4398 transitions. [2021-01-06 20:25:44,787 INFO L78 Accepts]: Start accepts. Automaton has 2641 states and 4398 transitions. Word has length 120 [2021-01-06 20:25:44,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:44,788 INFO L481 AbstractCegarLoop]: Abstraction has 2641 states and 4398 transitions. [2021-01-06 20:25:44,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 4398 transitions. [2021-01-06 20:25:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-01-06 20:25:44,790 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:44,790 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] [2021-01-06 20:25:44,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:25:44,791 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:44,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:44,792 INFO L82 PathProgramCache]: Analyzing trace with hash 83170558, now seen corresponding path program 1 times [2021-01-06 20:25:44,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:44,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486496360] [2021-01-06 20:25:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:44,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486496360] [2021-01-06 20:25:44,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:44,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:44,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762109459] [2021-01-06 20:25:44,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:44,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:44,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:44,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:44,964 INFO L87 Difference]: Start difference. First operand 2641 states and 4398 transitions. Second operand 3 states. [2021-01-06 20:25:45,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:45,318 INFO L93 Difference]: Finished difference Result 7226 states and 12005 transitions. [2021-01-06 20:25:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:45,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2021-01-06 20:25:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:45,353 INFO L225 Difference]: With dead ends: 7226 [2021-01-06 20:25:45,354 INFO L226 Difference]: Without dead ends: 4812 [2021-01-06 20:25:45,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:45,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4812 states. [2021-01-06 20:25:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4812 to 4810. [2021-01-06 20:25:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2021-01-06 20:25:45,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 7944 transitions. [2021-01-06 20:25:45,708 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 7944 transitions. Word has length 120 [2021-01-06 20:25:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:45,708 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 7944 transitions. [2021-01-06 20:25:45,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 7944 transitions. [2021-01-06 20:25:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 20:25:45,711 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:45,711 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] [2021-01-06 20:25:45,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:25:45,712 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:45,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:45,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1139352598, now seen corresponding path program 1 times [2021-01-06 20:25:45,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:45,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500457879] [2021-01-06 20:25:45,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:45,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500457879] [2021-01-06 20:25:45,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:45,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:25:45,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469955365] [2021-01-06 20:25:45,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:25:45,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:45,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:25:45,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:25:45,888 INFO L87 Difference]: Start difference. First operand 4810 states and 7944 transitions. Second operand 6 states. [2021-01-06 20:25:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:47,732 INFO L93 Difference]: Finished difference Result 29771 states and 49577 transitions. [2021-01-06 20:25:47,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 20:25:47,732 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2021-01-06 20:25:47,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:47,886 INFO L225 Difference]: With dead ends: 29771 [2021-01-06 20:25:47,887 INFO L226 Difference]: Without dead ends: 25188 [2021-01-06 20:25:47,907 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 [2021-01-06 20:25:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25188 states. [2021-01-06 20:25:48,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25188 to 9236. [2021-01-06 20:25:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9236 states. [2021-01-06 20:25:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9236 states to 9236 states and 15212 transitions. [2021-01-06 20:25:48,789 INFO L78 Accepts]: Start accepts. Automaton has 9236 states and 15212 transitions. Word has length 123 [2021-01-06 20:25:48,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:48,790 INFO L481 AbstractCegarLoop]: Abstraction has 9236 states and 15212 transitions. [2021-01-06 20:25:48,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:25:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 9236 states and 15212 transitions. [2021-01-06 20:25:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 20:25:48,792 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:48,792 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] [2021-01-06 20:25:48,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:25:48,792 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:48,793 INFO L82 PathProgramCache]: Analyzing trace with hash 893130139, now seen corresponding path program 1 times [2021-01-06 20:25:48,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:48,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422528880] [2021-01-06 20:25:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:49,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422528880] [2021-01-06 20:25:49,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:49,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:25:49,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289801426] [2021-01-06 20:25:49,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:25:49,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:49,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:25:49,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:25:49,012 INFO L87 Difference]: Start difference. First operand 9236 states and 15212 transitions. Second operand 4 states. [2021-01-06 20:25:50,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:50,456 INFO L93 Difference]: Finished difference Result 30029 states and 49739 transitions. [2021-01-06 20:25:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:25:50,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2021-01-06 20:25:50,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:50,519 INFO L225 Difference]: With dead ends: 30029 [2021-01-06 20:25:50,519 INFO L226 Difference]: Without dead ends: 21020 [2021-01-06 20:25:50,540 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 [2021-01-06 20:25:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21020 states. [2021-01-06 20:25:51,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21020 to 15091. [2021-01-06 20:25:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15091 states. [2021-01-06 20:25:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15091 states to 15091 states and 24876 transitions. [2021-01-06 20:25:51,766 INFO L78 Accepts]: Start accepts. Automaton has 15091 states and 24876 transitions. Word has length 124 [2021-01-06 20:25:51,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:51,766 INFO L481 AbstractCegarLoop]: Abstraction has 15091 states and 24876 transitions. [2021-01-06 20:25:51,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:25:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15091 states and 24876 transitions. [2021-01-06 20:25:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 20:25:51,768 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:51,769 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] [2021-01-06 20:25:51,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:25:51,769 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:51,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:51,770 INFO L82 PathProgramCache]: Analyzing trace with hash -485089184, now seen corresponding path program 1 times [2021-01-06 20:25:51,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:51,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622390661] [2021-01-06 20:25:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:51,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622390661] [2021-01-06 20:25:51,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:51,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:25:51,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881478573] [2021-01-06 20:25:51,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:25:51,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:51,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:25:51,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:51,961 INFO L87 Difference]: Start difference. First operand 15091 states and 24876 transitions. Second operand 3 states. [2021-01-06 20:25:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:52,965 INFO L93 Difference]: Finished difference Result 28697 states and 47478 transitions. [2021-01-06 20:25:52,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:25:52,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2021-01-06 20:25:52,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:53,024 INFO L225 Difference]: With dead ends: 28697 [2021-01-06 20:25:53,025 INFO L226 Difference]: Without dead ends: 20733 [2021-01-06 20:25:53,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:25:53,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20733 states. [2021-01-06 20:25:54,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20733 to 20731. [2021-01-06 20:25:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20731 states. [2021-01-06 20:25:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20731 states to 20731 states and 34119 transitions. [2021-01-06 20:25:54,413 INFO L78 Accepts]: Start accepts. Automaton has 20731 states and 34119 transitions. Word has length 124 [2021-01-06 20:25:54,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:54,414 INFO L481 AbstractCegarLoop]: Abstraction has 20731 states and 34119 transitions. [2021-01-06 20:25:54,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:25:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 20731 states and 34119 transitions. [2021-01-06 20:25:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:25:54,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:54,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:25:54,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:25:54,416 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:54,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:54,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1854726525, now seen corresponding path program 1 times [2021-01-06 20:25:54,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:54,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742321030] [2021-01-06 20:25:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:25:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:25:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:25:54,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742321030] [2021-01-06 20:25:54,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:25:54,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:25:54,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81958693] [2021-01-06 20:25:54,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:25:54,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:25:54,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:25:54,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:25:54,534 INFO L87 Difference]: Start difference. First operand 20731 states and 34119 transitions. Second operand 4 states. [2021-01-06 20:25:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:25:57,576 INFO L93 Difference]: Finished difference Result 67909 states and 112035 transitions. [2021-01-06 20:25:57,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:25:57,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2021-01-06 20:25:57,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:25:57,739 INFO L225 Difference]: With dead ends: 67909 [2021-01-06 20:25:57,739 INFO L226 Difference]: Without dead ends: 47423 [2021-01-06 20:25:57,793 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 [2021-01-06 20:25:57,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47423 states. [2021-01-06 20:25:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47423 to 33748. [2021-01-06 20:25:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33748 states. [2021-01-06 20:25:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33748 states to 33748 states and 55389 transitions. [2021-01-06 20:25:59,991 INFO L78 Accepts]: Start accepts. Automaton has 33748 states and 55389 transitions. Word has length 125 [2021-01-06 20:25:59,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:25:59,992 INFO L481 AbstractCegarLoop]: Abstraction has 33748 states and 55389 transitions. [2021-01-06 20:25:59,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:25:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 33748 states and 55389 transitions. [2021-01-06 20:25:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 20:25:59,994 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:25:59,994 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] [2021-01-06 20:25:59,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:25:59,994 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:25:59,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:25:59,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1604001442, now seen corresponding path program 1 times [2021-01-06 20:25:59,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:25:59,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926234976] [2021-01-06 20:25:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:00,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926234976] [2021-01-06 20:26:00,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:00,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:00,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300359823] [2021-01-06 20:26:00,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:00,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:00,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:00,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:00,111 INFO L87 Difference]: Start difference. First operand 33748 states and 55389 transitions. Second operand 4 states. [2021-01-06 20:26:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:04,650 INFO L93 Difference]: Finished difference Result 109323 states and 179874 transitions. [2021-01-06 20:26:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:26:04,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2021-01-06 20:26:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:04,810 INFO L225 Difference]: With dead ends: 109323 [2021-01-06 20:26:04,810 INFO L226 Difference]: Without dead ends: 75820 [2021-01-06 20:26:04,878 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 [2021-01-06 20:26:04,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75820 states. [2021-01-06 20:26:08,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75820 to 54641. [2021-01-06 20:26:08,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54641 states. [2021-01-06 20:26:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54641 states to 54641 states and 89427 transitions. [2021-01-06 20:26:08,389 INFO L78 Accepts]: Start accepts. Automaton has 54641 states and 89427 transitions. Word has length 126 [2021-01-06 20:26:08,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:08,389 INFO L481 AbstractCegarLoop]: Abstraction has 54641 states and 89427 transitions. [2021-01-06 20:26:08,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:26:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 54641 states and 89427 transitions. [2021-01-06 20:26:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-01-06 20:26:08,391 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:08,391 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] [2021-01-06 20:26:08,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:26:08,392 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:08,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:08,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1868950812, now seen corresponding path program 1 times [2021-01-06 20:26:08,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:08,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898237617] [2021-01-06 20:26:08,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:08,646 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-01-06 20:26:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:08,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898237617] [2021-01-06 20:26:08,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:08,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:08,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395963856] [2021-01-06 20:26:08,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:08,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:08,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:08,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:08,682 INFO L87 Difference]: Start difference. First operand 54641 states and 89427 transitions. Second operand 4 states. [2021-01-06 20:26:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:15,568 INFO L93 Difference]: Finished difference Result 175049 states and 287186 transitions. [2021-01-06 20:26:15,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:26:15,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2021-01-06 20:26:15,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:15,860 INFO L225 Difference]: With dead ends: 175049 [2021-01-06 20:26:15,860 INFO L226 Difference]: Without dead ends: 120653 [2021-01-06 20:26:16,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:26:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120653 states. [2021-01-06 20:26:21,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120653 to 87422. [2021-01-06 20:26:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2021-01-06 20:26:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142673 transitions. [2021-01-06 20:26:21,831 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142673 transitions. Word has length 127 [2021-01-06 20:26:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:21,831 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142673 transitions. [2021-01-06 20:26:21,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:26:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142673 transitions. [2021-01-06 20:26:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-01-06 20:26:21,832 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:21,833 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] [2021-01-06 20:26:21,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:26:21,833 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:21,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:21,834 INFO L82 PathProgramCache]: Analyzing trace with hash 2012261173, now seen corresponding path program 1 times [2021-01-06 20:26:21,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:21,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669473155] [2021-01-06 20:26:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:22,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669473155] [2021-01-06 20:26:22,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:22,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:26:22,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295222258] [2021-01-06 20:26:22,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:26:22,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:22,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:26:22,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:26:22,037 INFO L87 Difference]: Start difference. First operand 87422 states and 142673 transitions. Second operand 6 states. [2021-01-06 20:26:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:28,000 INFO L93 Difference]: Finished difference Result 174601 states and 284955 transitions. [2021-01-06 20:26:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:26:28,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2021-01-06 20:26:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:28,159 INFO L225 Difference]: With dead ends: 174601 [2021-01-06 20:26:28,159 INFO L226 Difference]: Without dead ends: 87424 [2021-01-06 20:26:28,414 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 [2021-01-06 20:26:28,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87424 states. [2021-01-06 20:26:33,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87424 to 87422. [2021-01-06 20:26:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87422 states. [2021-01-06 20:26:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87422 states to 87422 states and 142048 transitions. [2021-01-06 20:26:33,695 INFO L78 Accepts]: Start accepts. Automaton has 87422 states and 142048 transitions. Word has length 129 [2021-01-06 20:26:33,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:33,695 INFO L481 AbstractCegarLoop]: Abstraction has 87422 states and 142048 transitions. [2021-01-06 20:26:33,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:26:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 87422 states and 142048 transitions. [2021-01-06 20:26:33,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-01-06 20:26:33,696 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:33,697 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] [2021-01-06 20:26:33,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:26:33,697 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:33,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:33,697 INFO L82 PathProgramCache]: Analyzing trace with hash 365685076, now seen corresponding path program 1 times [2021-01-06 20:26:33,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:33,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871445623] [2021-01-06 20:26:33,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:33,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871445623] [2021-01-06 20:26:33,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:33,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:26:33,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372310073] [2021-01-06 20:26:33,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:26:33,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:33,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:26:33,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:26:33,956 INFO L87 Difference]: Start difference. First operand 87422 states and 142048 transitions. Second operand 6 states. [2021-01-06 20:26:49,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:49,730 INFO L93 Difference]: Finished difference Result 328443 states and 534734 transitions. [2021-01-06 20:26:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:26:49,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2021-01-06 20:26:49,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:50,441 INFO L225 Difference]: With dead ends: 328443 [2021-01-06 20:26:50,441 INFO L226 Difference]: Without dead ends: 241266 [2021-01-06 20:26:50,605 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 [2021-01-06 20:26:50,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241266 states. [2021-01-06 20:27:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241266 to 168414. [2021-01-06 20:27:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168414 states. [2021-01-06 20:27:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168414 states to 168414 states and 272047 transitions. [2021-01-06 20:27:03,847 INFO L78 Accepts]: Start accepts. Automaton has 168414 states and 272047 transitions. Word has length 132 [2021-01-06 20:27:03,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:27:03,847 INFO L481 AbstractCegarLoop]: Abstraction has 168414 states and 272047 transitions. [2021-01-06 20:27:03,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:27:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 168414 states and 272047 transitions. [2021-01-06 20:27:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-01-06 20:27:03,848 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:27:03,848 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] [2021-01-06 20:27:03,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:27:03,849 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:27:03,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:27:03,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1550573646, now seen corresponding path program 1 times [2021-01-06 20:27:03,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:27:03,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142604947] [2021-01-06 20:27:03,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:27:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:27:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:27:04,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142604947] [2021-01-06 20:27:04,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:27:04,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:27:04,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533845519] [2021-01-06 20:27:04,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:27:04,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:27:04,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:27:04,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:27:04,078 INFO L87 Difference]: Start difference. First operand 168414 states and 272047 transitions. Second operand 5 states. [2021-01-06 20:27:28,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:27:28,403 INFO L93 Difference]: Finished difference Result 327635 states and 527088 transitions. [2021-01-06 20:27:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:27:28,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2021-01-06 20:27:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:27:29,121 INFO L225 Difference]: With dead ends: 327635 [2021-01-06 20:27:29,121 INFO L226 Difference]: Without dead ends: 327633 [2021-01-06 20:27:29,431 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 [2021-01-06 20:27:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327633 states. [2021-01-06 20:27:44,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327633 to 172482. [2021-01-06 20:27:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172482 states. [2021-01-06 20:27:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172482 states to 172482 states and 276088 transitions. [2021-01-06 20:27:45,248 INFO L78 Accepts]: Start accepts. Automaton has 172482 states and 276088 transitions. Word has length 133 [2021-01-06 20:27:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:27:45,248 INFO L481 AbstractCegarLoop]: Abstraction has 172482 states and 276088 transitions. [2021-01-06 20:27:45,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:27:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 172482 states and 276088 transitions. [2021-01-06 20:27:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 20:27:45,267 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:27:45,275 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] [2021-01-06 20:27:45,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:27:45,275 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:27:45,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:27:45,276 INFO L82 PathProgramCache]: Analyzing trace with hash -2098432369, now seen corresponding path program 1 times [2021-01-06 20:27:45,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:27:45,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861824827] [2021-01-06 20:27:45,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:27:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:27:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 20:27:45,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861824827] [2021-01-06 20:27:45,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:27:45,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:27:45,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367597779] [2021-01-06 20:27:45,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:27:45,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:27:45,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:27:45,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:27:45,473 INFO L87 Difference]: Start difference. First operand 172482 states and 276088 transitions. Second operand 6 states. [2021-01-06 20:28:10,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:28:10,515 INFO L93 Difference]: Finished difference Result 359636 states and 578793 transitions. [2021-01-06 20:28:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:28:10,515 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 20:28:10,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:28:11,148 INFO L225 Difference]: With dead ends: 359636 [2021-01-06 20:28:11,148 INFO L226 Difference]: Without dead ends: 283834 [2021-01-06 20:28:11,288 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 [2021-01-06 20:28:11,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283834 states. [2021-01-06 20:28:31,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283834 to 225007. [2021-01-06 20:28:31,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225007 states. [2021-01-06 20:28:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225007 states to 225007 states and 360557 transitions. [2021-01-06 20:28:32,307 INFO L78 Accepts]: Start accepts. Automaton has 225007 states and 360557 transitions. Word has length 163 [2021-01-06 20:28:32,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:28:32,308 INFO L481 AbstractCegarLoop]: Abstraction has 225007 states and 360557 transitions. [2021-01-06 20:28:32,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:28:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 225007 states and 360557 transitions. [2021-01-06 20:28:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 20:28:32,318 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:28:32,319 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] [2021-01-06 20:28:32,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:28:32,319 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:28:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:28:32,329 INFO L82 PathProgramCache]: Analyzing trace with hash -903642171, now seen corresponding path program 1 times [2021-01-06 20:28:32,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:28:32,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765380240] [2021-01-06 20:28:32,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:28:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:28:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-01-06 20:28:32,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765380240] [2021-01-06 20:28:32,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:28:32,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:28:32,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930342788] [2021-01-06 20:28:32,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:28:32,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:28:32,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:28:32,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:28:32,493 INFO L87 Difference]: Start difference. First operand 225007 states and 360557 transitions. Second operand 6 states. [2021-01-06 20:29:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:29:01,778 INFO L93 Difference]: Finished difference Result 383820 states and 618017 transitions. [2021-01-06 20:29:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:29:01,779 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 20:29:01,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:29:02,460 INFO L225 Difference]: With dead ends: 383820 [2021-01-06 20:29:02,460 INFO L226 Difference]: Without dead ends: 308018 [2021-01-06 20:29:02,839 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 [2021-01-06 20:29:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308018 states.