/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:43:38,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:43:38,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:43:38,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:43:38,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:43:38,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:43:38,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:43:38,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:43:38,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:43:38,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:43:38,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:43:38,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:43:38,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:43:38,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:43:38,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:43:38,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:43:38,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:43:38,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:43:38,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:43:38,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:43:38,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:43:38,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:43:38,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:43:38,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:43:38,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:43:38,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:43:38,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:43:38,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:43:38,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:43:38,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:43:38,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:43:38,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:43:38,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:43:38,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:43:38,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:43:38,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:43:38,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:43:38,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:43:38,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:43:38,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:43:38,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:43:38,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:43:38,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:43:38,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:43:38,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:43:38,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:43:38,150 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:43:38,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:43:38,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:43:38,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:43:38,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:43:38,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:43:38,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:43:38,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:43:38,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:43:38,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:43:38,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:43:38,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:43:38,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:43:38,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:43:38,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:43:38,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:43:38,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:43:38,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:43:38,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:43:38,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:43:38,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:43:38,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:43:38,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:43:38,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:43:38,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:43:38,553 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:43:38,554 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:43:38,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2020-12-23 09:43:38,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c5cccc2de/ecae83e1f4c44c83853b3b883d5d34e6/FLAGd56f07e79 [2020-12-23 09:43:39,492 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:43:39,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2020-12-23 09:43:39,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c5cccc2de/ecae83e1f4c44c83853b3b883d5d34e6/FLAGd56f07e79 [2020-12-23 09:43:39,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c5cccc2de/ecae83e1f4c44c83853b3b883d5d34e6 [2020-12-23 09:43:39,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:43:39,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:43:39,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:39,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:43:39,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:43:39,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:39" (1/1) ... [2020-12-23 09:43:39,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11944751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:39, skipping insertion in model container [2020-12-23 09:43:39,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:43:39" (1/1) ... [2020-12-23 09:43:39,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:43:39,845 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2020-12-23 09:43:40,269 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2020-12-23 09:43:40,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:40,284 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r121~0,] left hand side expression in assignment: lhs: VariableLHS[~r131~0,] left hand side expression in assignment: lhs: VariableLHS[~r141~0,] left hand side expression in assignment: lhs: VariableLHS[~r211~0,] left hand side expression in assignment: lhs: VariableLHS[~r231~0,] left hand side expression in assignment: lhs: VariableLHS[~r241~0,] left hand side expression in assignment: lhs: VariableLHS[~r311~0,] left hand side expression in assignment: lhs: VariableLHS[~r321~0,] left hand side expression in assignment: lhs: VariableLHS[~r341~0,] left hand side expression in assignment: lhs: VariableLHS[~r411~0,] left hand side expression in assignment: lhs: VariableLHS[~r421~0,] left hand side expression in assignment: lhs: VariableLHS[~r431~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~r122~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~r132~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~r142~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~r212~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~r232~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~r242~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~r312~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~r322~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~r342~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~r412~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~r422~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~r432~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~r123~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~r133~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~r143~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~r213~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~r233~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~r243~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~r313~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~r323~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~r343~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~r413~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~r423~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~r433~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~c1~0,] [2020-12-23 09:43:40,406 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c[24372,24385] [2020-12-23 09:43:40,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:43:40,428 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:43:40,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40 WrapperNode [2020-12-23 09:43:40,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:43:40,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:40,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:43:40,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:43:40,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:43:40,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:43:40,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:43:40,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:43:40,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... [2020-12-23 09:43:40,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:43:40,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:43:40,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:43:40,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:43:40,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:43:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:43:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:43:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:43:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:43:41,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:43:41,888 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2020-12-23 09:43:41,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:41 BoogieIcfgContainer [2020-12-23 09:43:41,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:43:41,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:43:41,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:43:41,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:43:41,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:43:39" (1/3) ... [2020-12-23 09:43:41,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d42f1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:41, skipping insertion in model container [2020-12-23 09:43:41,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:43:40" (2/3) ... [2020-12-23 09:43:41,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d42f1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:43:41, skipping insertion in model container [2020-12-23 09:43:41,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:43:41" (3/3) ... [2020-12-23 09:43:41,900 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2020-12-23 09:43:41,907 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:43:41,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 09:43:41,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 09:43:41,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:43:41,964 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:43:41,964 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:43:41,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:43:41,964 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:43:41,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:43:41,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:43:41,965 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:43:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2020-12-23 09:43:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:42,002 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:42,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:42,003 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:42,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:42,010 INFO L82 PathProgramCache]: Analyzing trace with hash -223378612, now seen corresponding path program 1 times [2020-12-23 09:43:42,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:42,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067135774] [2020-12-23 09:43:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:42,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067135774] [2020-12-23 09:43:42,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:43:42,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687304913] [2020-12-23 09:43:42,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:43:42,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:43:42,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:43:42,495 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 2 states. [2020-12-23 09:43:42,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:42,539 INFO L93 Difference]: Finished difference Result 415 states and 733 transitions. [2020-12-23 09:43:42,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:43:42,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 77 [2020-12-23 09:43:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:42,556 INFO L225 Difference]: With dead ends: 415 [2020-12-23 09:43:42,556 INFO L226 Difference]: Without dead ends: 295 [2020-12-23 09:43:42,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:43:42,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-23 09:43:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-12-23 09:43:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-23 09:43:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 526 transitions. [2020-12-23 09:43:42,627 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 526 transitions. Word has length 77 [2020-12-23 09:43:42,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:42,627 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 526 transitions. [2020-12-23 09:43:42,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:43:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 526 transitions. [2020-12-23 09:43:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:43:42,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:42,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:42,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:43:42,637 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:42,638 INFO L82 PathProgramCache]: Analyzing trace with hash -357392118, now seen corresponding path program 1 times [2020-12-23 09:43:42,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:42,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674432924] [2020-12-23 09:43:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:42,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674432924] [2020-12-23 09:43:42,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:42,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:43:42,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764401229] [2020-12-23 09:43:42,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:43:42,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:42,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:43:42,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:42,901 INFO L87 Difference]: Start difference. First operand 295 states and 526 transitions. Second operand 5 states. [2020-12-23 09:43:43,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,020 INFO L93 Difference]: Finished difference Result 414 states and 726 transitions. [2020-12-23 09:43:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:43:43,020 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:43:43,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,023 INFO L225 Difference]: With dead ends: 414 [2020-12-23 09:43:43,023 INFO L226 Difference]: Without dead ends: 295 [2020-12-23 09:43:43,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:43:43,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-12-23 09:43:43,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-12-23 09:43:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-12-23 09:43:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 496 transitions. [2020-12-23 09:43:43,045 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 496 transitions. Word has length 77 [2020-12-23 09:43:43,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,046 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 496 transitions. [2020-12-23 09:43:43,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:43:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 496 transitions. [2020-12-23 09:43:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:43:43,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:43,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:43:43,051 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1317126024, now seen corresponding path program 1 times [2020-12-23 09:43:43,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154634372] [2020-12-23 09:43:43,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:43,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154634372] [2020-12-23 09:43:43,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616393148] [2020-12-23 09:43:43,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:43,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,323 INFO L87 Difference]: Start difference. First operand 295 states and 496 transitions. Second operand 3 states. [2020-12-23 09:43:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,394 INFO L93 Difference]: Finished difference Result 514 states and 867 transitions. [2020-12-23 09:43:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:43,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-23 09:43:43,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,398 INFO L225 Difference]: With dead ends: 514 [2020-12-23 09:43:43,399 INFO L226 Difference]: Without dead ends: 399 [2020-12-23 09:43:43,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-12-23 09:43:43,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2020-12-23 09:43:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-23 09:43:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 663 transitions. [2020-12-23 09:43:43,420 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 663 transitions. Word has length 106 [2020-12-23 09:43:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,421 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 663 transitions. [2020-12-23 09:43:43,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 663 transitions. [2020-12-23 09:43:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:43:43,425 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:43,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:43:43,426 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1632675295, now seen corresponding path program 1 times [2020-12-23 09:43:43,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862979812] [2020-12-23 09:43:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:43,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862979812] [2020-12-23 09:43:43,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956707106] [2020-12-23 09:43:43,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:43,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,589 INFO L87 Difference]: Start difference. First operand 396 states and 663 transitions. Second operand 3 states. [2020-12-23 09:43:43,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,633 INFO L93 Difference]: Finished difference Result 810 states and 1355 transitions. [2020-12-23 09:43:43,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:43,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:43:43,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,641 INFO L225 Difference]: With dead ends: 810 [2020-12-23 09:43:43,641 INFO L226 Difference]: Without dead ends: 594 [2020-12-23 09:43:43,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-12-23 09:43:43,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 590. [2020-12-23 09:43:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-12-23 09:43:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 985 transitions. [2020-12-23 09:43:43,681 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 985 transitions. Word has length 109 [2020-12-23 09:43:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:43,683 INFO L481 AbstractCegarLoop]: Abstraction has 590 states and 985 transitions. [2020-12-23 09:43:43,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:43,683 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 985 transitions. [2020-12-23 09:43:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 09:43:43,686 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:43,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:43,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:43:43,687 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:43,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:43,687 INFO L82 PathProgramCache]: Analyzing trace with hash 478871864, now seen corresponding path program 1 times [2020-12-23 09:43:43,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:43,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895813195] [2020-12-23 09:43:43,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:43,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895813195] [2020-12-23 09:43:43,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:43,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:43,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790677380] [2020-12-23 09:43:43,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:43,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:43,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,906 INFO L87 Difference]: Start difference. First operand 590 states and 985 transitions. Second operand 3 states. [2020-12-23 09:43:43,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:43,972 INFO L93 Difference]: Finished difference Result 1374 states and 2287 transitions. [2020-12-23 09:43:43,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:43,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 09:43:43,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:43,984 INFO L225 Difference]: With dead ends: 1374 [2020-12-23 09:43:43,984 INFO L226 Difference]: Without dead ends: 964 [2020-12-23 09:43:43,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:43,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2020-12-23 09:43:44,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 958. [2020-12-23 09:43:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2020-12-23 09:43:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1589 transitions. [2020-12-23 09:43:44,026 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1589 transitions. Word has length 112 [2020-12-23 09:43:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:44,026 INFO L481 AbstractCegarLoop]: Abstraction has 958 states and 1589 transitions. [2020-12-23 09:43:44,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1589 transitions. [2020-12-23 09:43:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:43:44,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:44,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:44,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:43:44,036 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:44,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:44,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1034962865, now seen corresponding path program 1 times [2020-12-23 09:43:44,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:44,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994727968] [2020-12-23 09:43:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:44,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994727968] [2020-12-23 09:43:44,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:44,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:44,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573266245] [2020-12-23 09:43:44,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:44,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:44,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:44,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:44,168 INFO L87 Difference]: Start difference. First operand 958 states and 1589 transitions. Second operand 3 states. [2020-12-23 09:43:44,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:44,241 INFO L93 Difference]: Finished difference Result 2442 states and 4031 transitions. [2020-12-23 09:43:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:44,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:43:44,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:44,254 INFO L225 Difference]: With dead ends: 2442 [2020-12-23 09:43:44,254 INFO L226 Difference]: Without dead ends: 1664 [2020-12-23 09:43:44,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:44,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-12-23 09:43:44,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1654. [2020-12-23 09:43:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-12-23 09:43:44,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2717 transitions. [2020-12-23 09:43:44,329 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2717 transitions. Word has length 115 [2020-12-23 09:43:44,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:44,330 INFO L481 AbstractCegarLoop]: Abstraction has 1654 states and 2717 transitions. [2020-12-23 09:43:44,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2717 transitions. [2020-12-23 09:43:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:43:44,333 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:44,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:44,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:43:44,334 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:44,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1214749416, now seen corresponding path program 1 times [2020-12-23 09:43:44,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:44,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040301828] [2020-12-23 09:43:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:44,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040301828] [2020-12-23 09:43:44,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:44,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:43:44,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539315905] [2020-12-23 09:43:44,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:43:44,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:44,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:43:44,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:43:44,514 INFO L87 Difference]: Start difference. First operand 1654 states and 2717 transitions. Second operand 6 states. [2020-12-23 09:43:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:44,875 INFO L93 Difference]: Finished difference Result 8542 states and 14161 transitions. [2020-12-23 09:43:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:43:44,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2020-12-23 09:43:44,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:44,913 INFO L225 Difference]: With dead ends: 8542 [2020-12-23 09:43:44,914 INFO L226 Difference]: Without dead ends: 7068 [2020-12-23 09:43:44,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:43:44,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7068 states. [2020-12-23 09:43:45,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7068 to 3027. [2020-12-23 09:43:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3027 states. [2020-12-23 09:43:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4967 transitions. [2020-12-23 09:43:45,133 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4967 transitions. Word has length 118 [2020-12-23 09:43:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:45,134 INFO L481 AbstractCegarLoop]: Abstraction has 3027 states and 4967 transitions. [2020-12-23 09:43:45,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:43:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4967 transitions. [2020-12-23 09:43:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:43:45,139 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:45,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:45,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:43:45,140 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:45,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:45,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1202886819, now seen corresponding path program 1 times [2020-12-23 09:43:45,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:45,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47440248] [2020-12-23 09:43:45,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:45,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47440248] [2020-12-23 09:43:45,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:45,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:45,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532944767] [2020-12-23 09:43:45,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:45,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:45,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:45,324 INFO L87 Difference]: Start difference. First operand 3027 states and 4967 transitions. Second operand 4 states. [2020-12-23 09:43:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:45,580 INFO L93 Difference]: Finished difference Result 8931 states and 14749 transitions. [2020-12-23 09:43:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:45,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2020-12-23 09:43:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:45,622 INFO L225 Difference]: With dead ends: 8931 [2020-12-23 09:43:45,622 INFO L226 Difference]: Without dead ends: 6084 [2020-12-23 09:43:45,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:45,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6084 states. [2020-12-23 09:43:45,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6084 to 4497. [2020-12-23 09:43:45,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4497 states. [2020-12-23 09:43:45,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 7396 transitions. [2020-12-23 09:43:45,920 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 7396 transitions. Word has length 119 [2020-12-23 09:43:45,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:45,921 INFO L481 AbstractCegarLoop]: Abstraction has 4497 states and 7396 transitions. [2020-12-23 09:43:45,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 7396 transitions. [2020-12-23 09:43:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:43:45,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:45,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:45,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:43:45,926 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:45,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1004150655, now seen corresponding path program 1 times [2020-12-23 09:43:45,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:45,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879849931] [2020-12-23 09:43:45,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:46,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:46,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879849931] [2020-12-23 09:43:46,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:46,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:46,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948710908] [2020-12-23 09:43:46,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:46,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:46,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:46,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:46,077 INFO L87 Difference]: Start difference. First operand 4497 states and 7396 transitions. Second operand 4 states. [2020-12-23 09:43:46,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:46,437 INFO L93 Difference]: Finished difference Result 13184 states and 21756 transitions. [2020-12-23 09:43:46,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:46,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-12-23 09:43:46,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:46,501 INFO L225 Difference]: With dead ends: 13184 [2020-12-23 09:43:46,501 INFO L226 Difference]: Without dead ends: 8867 [2020-12-23 09:43:46,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8867 states. [2020-12-23 09:43:46,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8867 to 6658. [2020-12-23 09:43:46,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6658 states. [2020-12-23 09:43:46,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6658 states to 6658 states and 10939 transitions. [2020-12-23 09:43:46,846 INFO L78 Accepts]: Start accepts. Automaton has 6658 states and 10939 transitions. Word has length 120 [2020-12-23 09:43:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:46,847 INFO L481 AbstractCegarLoop]: Abstraction has 6658 states and 10939 transitions. [2020-12-23 09:43:46,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6658 states and 10939 transitions. [2020-12-23 09:43:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:46,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:46,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:46,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:43:46,854 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:46,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:46,855 INFO L82 PathProgramCache]: Analyzing trace with hash -692698790, now seen corresponding path program 1 times [2020-12-23 09:43:46,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:46,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789410473] [2020-12-23 09:43:46,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:47,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789410473] [2020-12-23 09:43:47,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:47,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:47,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892990827] [2020-12-23 09:43:47,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:47,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:47,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:47,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:47,034 INFO L87 Difference]: Start difference. First operand 6658 states and 10939 transitions. Second operand 4 states. [2020-12-23 09:43:47,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:47,427 INFO L93 Difference]: Finished difference Result 19580 states and 32280 transitions. [2020-12-23 09:43:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:47,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:43:47,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:47,467 INFO L225 Difference]: With dead ends: 19580 [2020-12-23 09:43:47,468 INFO L226 Difference]: Without dead ends: 13102 [2020-12-23 09:43:47,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:47,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13102 states. [2020-12-23 09:43:47,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13102 to 9846. [2020-12-23 09:43:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9846 states. [2020-12-23 09:43:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9846 states to 9846 states and 16161 transitions. [2020-12-23 09:43:48,012 INFO L78 Accepts]: Start accepts. Automaton has 9846 states and 16161 transitions. Word has length 121 [2020-12-23 09:43:48,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:48,013 INFO L481 AbstractCegarLoop]: Abstraction has 9846 states and 16161 transitions. [2020-12-23 09:43:48,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:43:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9846 states and 16161 transitions. [2020-12-23 09:43:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:48,020 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:48,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:48,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:43:48,020 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:48,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:48,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1392559596, now seen corresponding path program 1 times [2020-12-23 09:43:48,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:48,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138976499] [2020-12-23 09:43:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:48,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138976499] [2020-12-23 09:43:48,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:48,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:48,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099409756] [2020-12-23 09:43:48,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:48,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:48,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:48,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,119 INFO L87 Difference]: Start difference. First operand 9846 states and 16161 transitions. Second operand 3 states. [2020-12-23 09:43:48,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:48,507 INFO L93 Difference]: Finished difference Result 20154 states and 33062 transitions. [2020-12-23 09:43:48,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:48,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:48,546 INFO L225 Difference]: With dead ends: 20154 [2020-12-23 09:43:48,547 INFO L226 Difference]: Without dead ends: 14670 [2020-12-23 09:43:48,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14670 states. [2020-12-23 09:43:49,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14670 to 14668. [2020-12-23 09:43:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14668 states. [2020-12-23 09:43:49,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14668 states to 14668 states and 23914 transitions. [2020-12-23 09:43:49,175 INFO L78 Accepts]: Start accepts. Automaton has 14668 states and 23914 transitions. Word has length 121 [2020-12-23 09:43:49,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:49,175 INFO L481 AbstractCegarLoop]: Abstraction has 14668 states and 23914 transitions. [2020-12-23 09:43:49,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14668 states and 23914 transitions. [2020-12-23 09:43:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:49,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:49,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:49,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:43:49,181 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -508078622, now seen corresponding path program 1 times [2020-12-23 09:43:49,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:49,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691126942] [2020-12-23 09:43:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:49,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691126942] [2020-12-23 09:43:49,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:49,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:49,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305235034] [2020-12-23 09:43:49,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:49,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:49,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:49,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:49,292 INFO L87 Difference]: Start difference. First operand 14668 states and 23914 transitions. Second operand 3 states. [2020-12-23 09:43:49,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:49,860 INFO L93 Difference]: Finished difference Result 31854 states and 52088 transitions. [2020-12-23 09:43:49,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:49,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:49,916 INFO L225 Difference]: With dead ends: 31854 [2020-12-23 09:43:49,916 INFO L226 Difference]: Without dead ends: 21906 [2020-12-23 09:43:49,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21906 states. [2020-12-23 09:43:50,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21906 to 21904. [2020-12-23 09:43:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21904 states. [2020-12-23 09:43:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21904 states to 21904 states and 35608 transitions. [2020-12-23 09:43:51,033 INFO L78 Accepts]: Start accepts. Automaton has 21904 states and 35608 transitions. Word has length 121 [2020-12-23 09:43:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:51,034 INFO L481 AbstractCegarLoop]: Abstraction has 21904 states and 35608 transitions. [2020-12-23 09:43:51,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 21904 states and 35608 transitions. [2020-12-23 09:43:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:51,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:51,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:51,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:43:51,038 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:51,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:51,039 INFO L82 PathProgramCache]: Analyzing trace with hash 347276588, now seen corresponding path program 1 times [2020-12-23 09:43:51,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:51,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588967223] [2020-12-23 09:43:51,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:51,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588967223] [2020-12-23 09:43:51,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:51,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:51,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019781148] [2020-12-23 09:43:51,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:51,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:51,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:51,224 INFO L87 Difference]: Start difference. First operand 21904 states and 35608 transitions. Second operand 3 states. [2020-12-23 09:43:52,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:52,186 INFO L93 Difference]: Finished difference Result 48074 states and 78304 transitions. [2020-12-23 09:43:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:52,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:52,276 INFO L225 Difference]: With dead ends: 48074 [2020-12-23 09:43:52,276 INFO L226 Difference]: Without dead ends: 32917 [2020-12-23 09:43:52,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32917 states. [2020-12-23 09:43:53,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32917 to 32915. [2020-12-23 09:43:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32915 states. [2020-12-23 09:43:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32915 states to 32915 states and 53263 transitions. [2020-12-23 09:43:53,537 INFO L78 Accepts]: Start accepts. Automaton has 32915 states and 53263 transitions. Word has length 121 [2020-12-23 09:43:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:53,538 INFO L481 AbstractCegarLoop]: Abstraction has 32915 states and 53263 transitions. [2020-12-23 09:43:53,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32915 states and 53263 transitions. [2020-12-23 09:43:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:43:53,541 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:53,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:53,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:43:53,541 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:53,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1776587102, now seen corresponding path program 1 times [2020-12-23 09:43:53,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:53,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735967998] [2020-12-23 09:43:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:53,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735967998] [2020-12-23 09:43:53,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:53,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:43:53,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734409281] [2020-12-23 09:43:53,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:43:53,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:53,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:43:53,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:53,619 INFO L87 Difference]: Start difference. First operand 32915 states and 53263 transitions. Second operand 3 states. [2020-12-23 09:43:54,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:54,929 INFO L93 Difference]: Finished difference Result 73118 states and 119141 transitions. [2020-12-23 09:43:54,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:43:54,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 09:43:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:55,062 INFO L225 Difference]: With dead ends: 73118 [2020-12-23 09:43:55,063 INFO L226 Difference]: Without dead ends: 49789 [2020-12-23 09:43:55,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:43:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49789 states. [2020-12-23 09:43:56,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49789 to 49787. [2020-12-23 09:43:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49787 states. [2020-12-23 09:43:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49787 states to 49787 states and 80380 transitions. [2020-12-23 09:43:56,843 INFO L78 Accepts]: Start accepts. Automaton has 49787 states and 80380 transitions. Word has length 121 [2020-12-23 09:43:56,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:43:56,844 INFO L481 AbstractCegarLoop]: Abstraction has 49787 states and 80380 transitions. [2020-12-23 09:43:56,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:43:56,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49787 states and 80380 transitions. [2020-12-23 09:43:56,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:43:56,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:43:56,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:43:56,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:43:56,846 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:43:56,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:43:56,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1586419690, now seen corresponding path program 1 times [2020-12-23 09:43:56,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:43:56,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301952801] [2020-12-23 09:43:56,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:43:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:43:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:43:56,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301952801] [2020-12-23 09:43:56,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:43:56,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:43:56,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809091453] [2020-12-23 09:43:56,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:43:56,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:43:56,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:43:56,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:43:56,938 INFO L87 Difference]: Start difference. First operand 49787 states and 80380 transitions. Second operand 4 states. [2020-12-23 09:43:59,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:43:59,427 INFO L93 Difference]: Finished difference Result 160321 states and 259529 transitions. [2020-12-23 09:43:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:43:59,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-23 09:43:59,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:43:59,624 INFO L225 Difference]: With dead ends: 160321 [2020-12-23 09:43:59,625 INFO L226 Difference]: Without dead ends: 110755 [2020-12-23 09:43:59,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:43:59,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110755 states. [2020-12-23 09:44:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110755 to 80046. [2020-12-23 09:44:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80046 states. [2020-12-23 09:44:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80046 states to 80046 states and 128828 transitions. [2020-12-23 09:44:02,456 INFO L78 Accepts]: Start accepts. Automaton has 80046 states and 128828 transitions. Word has length 122 [2020-12-23 09:44:02,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:02,457 INFO L481 AbstractCegarLoop]: Abstraction has 80046 states and 128828 transitions. [2020-12-23 09:44:02,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:44:02,457 INFO L276 IsEmpty]: Start isEmpty. Operand 80046 states and 128828 transitions. [2020-12-23 09:44:02,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:44:02,458 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:02,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:02,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:44:02,459 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:02,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:02,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2052084626, now seen corresponding path program 1 times [2020-12-23 09:44:02,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:02,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712995075] [2020-12-23 09:44:02,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:44:02,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712995075] [2020-12-23 09:44:02,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:02,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:02,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797773450] [2020-12-23 09:44:02,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:02,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:02,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:02,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:02,679 INFO L87 Difference]: Start difference. First operand 80046 states and 128828 transitions. Second operand 6 states. [2020-12-23 09:44:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:05,176 INFO L93 Difference]: Finished difference Result 159873 states and 257298 transitions. [2020-12-23 09:44:05,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:05,177 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-12-23 09:44:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:05,297 INFO L225 Difference]: With dead ends: 159873 [2020-12-23 09:44:05,297 INFO L226 Difference]: Without dead ends: 80048 [2020-12-23 09:44:05,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:44:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80048 states. [2020-12-23 09:44:07,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80048 to 80046. [2020-12-23 09:44:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80046 states. [2020-12-23 09:44:07,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80046 states to 80046 states and 128203 transitions. [2020-12-23 09:44:07,766 INFO L78 Accepts]: Start accepts. Automaton has 80046 states and 128203 transitions. Word has length 124 [2020-12-23 09:44:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:07,767 INFO L481 AbstractCegarLoop]: Abstraction has 80046 states and 128203 transitions. [2020-12-23 09:44:07,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 80046 states and 128203 transitions. [2020-12-23 09:44:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:44:07,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:07,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:07,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:44:07,769 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:07,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:07,769 INFO L82 PathProgramCache]: Analyzing trace with hash -135993123, now seen corresponding path program 1 times [2020-12-23 09:44:07,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:07,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592243629] [2020-12-23 09:44:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:44:08,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592243629] [2020-12-23 09:44:08,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:08,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:08,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714660871] [2020-12-23 09:44:08,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:08,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:08,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:08,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:08,234 INFO L87 Difference]: Start difference. First operand 80046 states and 128203 transitions. Second operand 6 states. [2020-12-23 09:44:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:12,327 INFO L93 Difference]: Finished difference Result 261113 states and 419563 transitions. [2020-12-23 09:44:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:12,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2020-12-23 09:44:12,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:12,651 INFO L225 Difference]: With dead ends: 261113 [2020-12-23 09:44:12,651 INFO L226 Difference]: Without dead ends: 181288 [2020-12-23 09:44:12,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:44:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181288 states. [2020-12-23 09:44:17,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181288 to 181284. [2020-12-23 09:44:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181284 states. [2020-12-23 09:44:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181284 states to 181284 states and 289700 transitions. [2020-12-23 09:44:18,367 INFO L78 Accepts]: Start accepts. Automaton has 181284 states and 289700 transitions. Word has length 127 [2020-12-23 09:44:18,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:18,368 INFO L481 AbstractCegarLoop]: Abstraction has 181284 states and 289700 transitions. [2020-12-23 09:44:18,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:18,368 INFO L276 IsEmpty]: Start isEmpty. Operand 181284 states and 289700 transitions. [2020-12-23 09:44:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-23 09:44:18,388 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:18,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:44:18,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:44:18,388 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:18,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:18,389 INFO L82 PathProgramCache]: Analyzing trace with hash -352164905, now seen corresponding path program 1 times [2020-12-23 09:44:18,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:18,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274177509] [2020-12-23 09:44:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:44:18,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274177509] [2020-12-23 09:44:18,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:18,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:44:18,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204304799] [2020-12-23 09:44:18,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:44:18,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:18,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:44:18,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:44:18,578 INFO L87 Difference]: Start difference. First operand 181284 states and 289700 transitions. Second operand 8 states. [2020-12-23 09:44:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:27,361 INFO L93 Difference]: Finished difference Result 354291 states and 561328 transitions. [2020-12-23 09:44:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:44:27,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-12-23 09:44:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:28,196 INFO L225 Difference]: With dead ends: 354291 [2020-12-23 09:44:28,196 INFO L226 Difference]: Without dead ends: 354289 [2020-12-23 09:44:28,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-12-23 09:44:28,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354289 states. [2020-12-23 09:44:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354289 to 188268. [2020-12-23 09:44:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188268 states. [2020-12-23 09:44:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188268 states to 188268 states and 296657 transitions. [2020-12-23 09:44:36,060 INFO L78 Accepts]: Start accepts. Automaton has 188268 states and 296657 transitions. Word has length 128 [2020-12-23 09:44:36,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:36,061 INFO L481 AbstractCegarLoop]: Abstraction has 188268 states and 296657 transitions. [2020-12-23 09:44:36,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:44:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 188268 states and 296657 transitions. [2020-12-23 09:44:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:44:36,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:36,068 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 09:44:36,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:44:36,068 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:36,069 INFO L82 PathProgramCache]: Analyzing trace with hash -771218188, now seen corresponding path program 1 times [2020-12-23 09:44:36,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:36,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566935694] [2020-12-23 09:44:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-23 09:44:36,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566935694] [2020-12-23 09:44:36,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:36,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:36,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738441047] [2020-12-23 09:44:36,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:36,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:36,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:36,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:36,221 INFO L87 Difference]: Start difference. First operand 188268 states and 296657 transitions. Second operand 6 states. [2020-12-23 09:44:36,607 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-23 09:44:45,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:44:45,902 INFO L93 Difference]: Finished difference Result 420529 states and 664443 transitions. [2020-12-23 09:44:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:44:45,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-12-23 09:44:45,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:44:46,568 INFO L225 Difference]: With dead ends: 420529 [2020-12-23 09:44:46,568 INFO L226 Difference]: Without dead ends: 335427 [2020-12-23 09:44:46,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:44:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335427 states. [2020-12-23 09:44:56,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335427 to 260959. [2020-12-23 09:44:56,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260959 states. [2020-12-23 09:44:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260959 states to 260959 states and 410632 transitions. [2020-12-23 09:44:56,632 INFO L78 Accepts]: Start accepts. Automaton has 260959 states and 410632 transitions. Word has length 164 [2020-12-23 09:44:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:44:56,633 INFO L481 AbstractCegarLoop]: Abstraction has 260959 states and 410632 transitions. [2020-12-23 09:44:56,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:44:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 260959 states and 410632 transitions. [2020-12-23 09:44:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:44:56,643 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:44:56,654 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 09:44:56,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:44:56,654 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:44:56,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:44:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1623110890, now seen corresponding path program 1 times [2020-12-23 09:44:56,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:44:56,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592490416] [2020-12-23 09:44:56,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:44:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:44:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-23 09:44:57,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592490416] [2020-12-23 09:44:57,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:44:57,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:44:57,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124400582] [2020-12-23 09:44:57,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:44:57,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:44:57,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:44:57,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:44:57,253 INFO L87 Difference]: Start difference. First operand 260959 states and 410632 transitions. Second operand 6 states. [2020-12-23 09:45:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:07,627 INFO L93 Difference]: Finished difference Result 443129 states and 700151 transitions. [2020-12-23 09:45:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:45:07,627 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-12-23 09:45:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:08,535 INFO L225 Difference]: With dead ends: 443129 [2020-12-23 09:45:08,536 INFO L226 Difference]: Without dead ends: 358027 [2020-12-23 09:45:08,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:45:08,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358027 states. [2020-12-23 09:45:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358027 to 330875. [2020-12-23 09:45:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330875 states. [2020-12-23 09:45:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330875 states to 330875 states and 520696 transitions. [2020-12-23 09:45:23,605 INFO L78 Accepts]: Start accepts. Automaton has 330875 states and 520696 transitions. Word has length 164 [2020-12-23 09:45:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:23,608 INFO L481 AbstractCegarLoop]: Abstraction has 330875 states and 520696 transitions. [2020-12-23 09:45:23,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 330875 states and 520696 transitions. [2020-12-23 09:45:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:45:23,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:23,636 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 09:45:23,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:45:23,637 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:23,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1816501196, now seen corresponding path program 1 times [2020-12-23 09:45:23,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:23,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780327811] [2020-12-23 09:45:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-23 09:45:23,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780327811] [2020-12-23 09:45:23,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:23,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:23,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432599233] [2020-12-23 09:45:23,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:23,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:23,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:23,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:23,805 INFO L87 Difference]: Start difference. First operand 330875 states and 520696 transitions. Second operand 6 states. [2020-12-23 09:45:35,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:45:35,971 INFO L93 Difference]: Finished difference Result 479289 states and 757383 transitions. [2020-12-23 09:45:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:45:35,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-12-23 09:45:35,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:45:36,836 INFO L225 Difference]: With dead ends: 479289 [2020-12-23 09:45:36,836 INFO L226 Difference]: Without dead ends: 394187 [2020-12-23 09:45:36,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:45:37,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394187 states. [2020-12-23 09:45:50,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394187 to 372291. [2020-12-23 09:45:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372291 states. [2020-12-23 09:45:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372291 states to 372291 states and 586340 transitions. [2020-12-23 09:45:51,949 INFO L78 Accepts]: Start accepts. Automaton has 372291 states and 586340 transitions. Word has length 164 [2020-12-23 09:45:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:45:51,950 INFO L481 AbstractCegarLoop]: Abstraction has 372291 states and 586340 transitions. [2020-12-23 09:45:51,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:45:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 372291 states and 586340 transitions. [2020-12-23 09:45:51,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-12-23 09:45:51,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:45:51,967 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 09:45:51,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:45:51,967 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:45:51,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:45:51,968 INFO L82 PathProgramCache]: Analyzing trace with hash 354602410, now seen corresponding path program 1 times [2020-12-23 09:45:51,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:45:51,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800536758] [2020-12-23 09:45:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:45:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:45:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:45:52,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800536758] [2020-12-23 09:45:52,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:45:52,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:45:52,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947964448] [2020-12-23 09:45:52,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:45:52,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:45:52,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:45:52,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:45:52,151 INFO L87 Difference]: Start difference. First operand 372291 states and 586340 transitions. Second operand 6 states. [2020-12-23 09:46:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:08,215 INFO L93 Difference]: Finished difference Result 608829 states and 964809 transitions. [2020-12-23 09:46:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:46:08,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-12-23 09:46:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:09,515 INFO L225 Difference]: With dead ends: 608829 [2020-12-23 09:46:09,516 INFO L226 Difference]: Without dead ends: 508603 [2020-12-23 09:46:09,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:46:10,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508603 states. [2020-12-23 09:46:30,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508603 to 456963. [2020-12-23 09:46:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456963 states. [2020-12-23 09:46:32,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456963 states to 456963 states and 721048 transitions. [2020-12-23 09:46:32,004 INFO L78 Accepts]: Start accepts. Automaton has 456963 states and 721048 transitions. Word has length 164 [2020-12-23 09:46:32,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:46:32,004 INFO L481 AbstractCegarLoop]: Abstraction has 456963 states and 721048 transitions. [2020-12-23 09:46:32,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:46:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 456963 states and 721048 transitions. [2020-12-23 09:46:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-23 09:46:32,010 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:46:32,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 09:46:32,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:46:32,010 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:46:32,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:46:32,011 INFO L82 PathProgramCache]: Analyzing trace with hash 308133409, now seen corresponding path program 1 times [2020-12-23 09:46:32,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:46:32,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201022524] [2020-12-23 09:46:32,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:46:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:46:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:46:32,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201022524] [2020-12-23 09:46:33,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:46:33,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:46:33,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942001074] [2020-12-23 09:46:33,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:46:33,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:46:33,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:46:33,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:33,006 INFO L87 Difference]: Start difference. First operand 456963 states and 721048 transitions. Second operand 4 states. [2020-12-23 09:46:47,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:46:47,404 INFO L93 Difference]: Finished difference Result 642041 states and 1015707 transitions. [2020-12-23 09:46:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:46:47,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2020-12-23 09:46:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:46:48,355 INFO L225 Difference]: With dead ends: 642041 [2020-12-23 09:46:48,355 INFO L226 Difference]: Without dead ends: 457143 [2020-12-23 09:46:48,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:46:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457143 states. [2020-12-23 09:47:06,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457143 to 431795. [2020-12-23 09:47:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431795 states.