/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 20:26:20,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 20:26:20,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 20:26:20,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 20:26:20,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 20:26:20,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 20:26:20,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 20:26:20,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 20:26:20,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 20:26:20,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 20:26:20,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 20:26:20,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 20:26:20,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 20:26:20,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 20:26:20,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 20:26:20,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 20:26:20,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 20:26:20,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 20:26:20,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 20:26:20,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 20:26:20,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 20:26:20,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 20:26:20,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 20:26:20,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 20:26:20,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 20:26:20,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 20:26:20,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 20:26:20,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 20:26:20,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 20:26:20,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 20:26:20,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 20:26:20,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 20:26:20,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 20:26:20,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 20:26:20,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 20:26:20,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 20:26:20,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 20:26:20,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 20:26:20,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 20:26:20,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 20:26:20,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 20:26:20,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 20:26:20,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 20:26:20,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 20:26:20,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 20:26:20,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 20:26:20,838 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 20:26:20,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 20:26:20,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 20:26:20,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 20:26:20,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 20:26:20,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 20:26:20,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 20:26:20,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 20:26:20,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 20:26:20,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 20:26:20,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 20:26:20,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 20:26:20,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 20:26:20,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:26:20,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 20:26:20,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 20:26:20,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 20:26:20,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 20:26:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 20:26:20,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 20:26:20,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 20:26:20,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 20:26:21,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 20:26:21,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 20:26:21,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 20:26:21,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 20:26:21,325 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 20:26:21,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:26:21,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0943aa5ed/b1f1385b06a5450391673c7a03c36f51/FLAG2d8e7f6f5 [2021-01-06 20:26:22,296 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 20:26:22,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:26:22,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0943aa5ed/b1f1385b06a5450391673c7a03c36f51/FLAG2d8e7f6f5 [2021-01-06 20:26:22,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0943aa5ed/b1f1385b06a5450391673c7a03c36f51 [2021-01-06 20:26:22,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 20:26:22,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 20:26:22,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 20:26:22,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 20:26:22,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 20:26:22,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:26:22" (1/1) ... [2021-01-06 20:26:22,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e02efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:22, skipping insertion in model container [2021-01-06 20:26:22,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 08:26:22" (1/1) ... [2021-01-06 20:26:22,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 20:26:22,600 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4676~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4890~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2021-01-06 20:26:22,931 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12582,12595] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 20:26:23,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:26:23,086 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~ep12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep13~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep14~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep23~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep31~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep32~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep34~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep41~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep42~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~ep43~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~id4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~init__r121~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r131~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r141~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r211~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r231~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r241~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r311~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r321~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r341~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r411~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r421~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r431~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r122~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r132~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r142~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r212~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r232~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r242~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r312~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r322~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r342~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r412~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r422~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r432~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r123~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r133~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r143~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r213~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r233~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r243~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r313~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r323~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r343~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r413~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r423~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__r433~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___23~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4676~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__i2~0,] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~nl1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~r4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~m4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~max4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~st4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_old~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__return_4890~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~main__c1~0,] left hand side expression in assignment: lhs: VariableLHS[~__tmp_1~0,] left hand side expression in assignment: lhs: VariableLHS[~assert__arg~0,] [2021-01-06 20:26:23,194 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[12582,12595] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~check__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~nl4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p41_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p42_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p43_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode4~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node4____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p31_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p32_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p34_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode3~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node3____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~nl2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p21_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p23_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p24_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node2____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~st1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~p12_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~p13_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~p14_new~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mode1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_2~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_1~0,] left hand side expression in assignment: lhs: VariableLHS[~node1____CPAchecker_TMP_0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___22~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___21~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___20~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___19~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___18~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___17~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___16~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___15~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___14~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___13~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___12~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___11~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___10~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~init__tmp~0,] [2021-01-06 20:26:23,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 20:26:23,420 INFO L208 MainTranslator]: Completed translation [2021-01-06 20:26:23,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23 WrapperNode [2021-01-06 20:26:23,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 20:26:23,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 20:26:23,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 20:26:23,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 20:26:23,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 20:26:23,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 20:26:23,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 20:26:23,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 20:26:23,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... [2021-01-06 20:26:23,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 20:26:23,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 20:26:23,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 20:26:23,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 20:26:23,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 20:26:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 20:26:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 20:26:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 20:26:23,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 20:26:25,383 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 20:26:25,386 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-01-06 20:26:25,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:26:25 BoogieIcfgContainer [2021-01-06 20:26:25,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 20:26:25,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 20:26:25,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 20:26:25,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 20:26:25,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 08:26:22" (1/3) ... [2021-01-06 20:26:25,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec997c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:26:25, skipping insertion in model container [2021-01-06 20:26:25,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 08:26:23" (2/3) ... [2021-01-06 20:26:25,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec997c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 08:26:25, skipping insertion in model container [2021-01-06 20:26:25,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 08:26:25" (3/3) ... [2021-01-06 20:26:25,412 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-01-06 20:26:25,419 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 20:26:25,426 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 20:26:25,447 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 20:26:25,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 20:26:25,480 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 20:26:25,480 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 20:26:25,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 20:26:25,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 20:26:25,481 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 20:26:25,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 20:26:25,481 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 20:26:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2021-01-06 20:26:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 20:26:25,524 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:25,525 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] [2021-01-06 20:26:25,526 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:25,532 INFO L82 PathProgramCache]: Analyzing trace with hash 430105228, now seen corresponding path program 1 times [2021-01-06 20:26:25,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:25,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032925050] [2021-01-06 20:26:25,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:26,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032925050] [2021-01-06 20:26:26,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:26,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:26,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012575972] [2021-01-06 20:26:26,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:26,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:26,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:26,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:26,285 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 3 states. [2021-01-06 20:26:26,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:26,505 INFO L93 Difference]: Finished difference Result 589 states and 1021 transitions. [2021-01-06 20:26:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:26,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2021-01-06 20:26:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:26,551 INFO L225 Difference]: With dead ends: 589 [2021-01-06 20:26:26,551 INFO L226 Difference]: Without dead ends: 446 [2021-01-06 20:26:26,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:26,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-01-06 20:26:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 443. [2021-01-06 20:26:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 20:26:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 734 transitions. [2021-01-06 20:26:26,654 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 734 transitions. Word has length 110 [2021-01-06 20:26:26,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:26,655 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 734 transitions. [2021-01-06 20:26:26,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 734 transitions. [2021-01-06 20:26:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 20:26:26,662 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:26,663 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] [2021-01-06 20:26:26,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 20:26:26,663 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:26,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1228540371, now seen corresponding path program 1 times [2021-01-06 20:26:26,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:26,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745370649] [2021-01-06 20:26:26,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:26,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:26,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745370649] [2021-01-06 20:26:26,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:26,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:26,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359597442] [2021-01-06 20:26:26,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:26,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:26,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:26,919 INFO L87 Difference]: Start difference. First operand 443 states and 734 transitions. Second operand 3 states. [2021-01-06 20:26:26,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:26,999 INFO L93 Difference]: Finished difference Result 933 states and 1550 transitions. [2021-01-06 20:26:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:26,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-01-06 20:26:27,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:27,008 INFO L225 Difference]: With dead ends: 933 [2021-01-06 20:26:27,008 INFO L226 Difference]: Without dead ends: 679 [2021-01-06 20:26:27,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:27,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2021-01-06 20:26:27,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 675. [2021-01-06 20:26:27,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2021-01-06 20:26:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1118 transitions. [2021-01-06 20:26:27,089 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1118 transitions. Word has length 113 [2021-01-06 20:26:27,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:27,090 INFO L481 AbstractCegarLoop]: Abstraction has 675 states and 1118 transitions. [2021-01-06 20:26:27,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1118 transitions. [2021-01-06 20:26:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 20:26:27,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:27,096 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] [2021-01-06 20:26:27,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 20:26:27,096 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:27,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:27,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1403707664, now seen corresponding path program 1 times [2021-01-06 20:26:27,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:27,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17907525] [2021-01-06 20:26:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:27,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17907525] [2021-01-06 20:26:27,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:27,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:27,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131199039] [2021-01-06 20:26:27,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:27,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:27,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:27,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:27,225 INFO L87 Difference]: Start difference. First operand 675 states and 1118 transitions. Second operand 3 states. [2021-01-06 20:26:27,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:27,305 INFO L93 Difference]: Finished difference Result 1611 states and 2668 transitions. [2021-01-06 20:26:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:27,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2021-01-06 20:26:27,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:27,313 INFO L225 Difference]: With dead ends: 1611 [2021-01-06 20:26:27,314 INFO L226 Difference]: Without dead ends: 1125 [2021-01-06 20:26:27,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2021-01-06 20:26:27,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1119. [2021-01-06 20:26:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states. [2021-01-06 20:26:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1846 transitions. [2021-01-06 20:26:27,379 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1846 transitions. Word has length 116 [2021-01-06 20:26:27,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:27,379 INFO L481 AbstractCegarLoop]: Abstraction has 1119 states and 1846 transitions. [2021-01-06 20:26:27,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1846 transitions. [2021-01-06 20:26:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-01-06 20:26:27,383 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:27,383 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] [2021-01-06 20:26:27,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 20:26:27,383 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:27,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:27,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1658128561, now seen corresponding path program 1 times [2021-01-06 20:26:27,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:27,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358799653] [2021-01-06 20:26:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:27,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358799653] [2021-01-06 20:26:27,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:27,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:27,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197101463] [2021-01-06 20:26:27,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:27,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:27,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:27,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:27,536 INFO L87 Difference]: Start difference. First operand 1119 states and 1846 transitions. Second operand 3 states. [2021-01-06 20:26:27,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:27,664 INFO L93 Difference]: Finished difference Result 2907 states and 4784 transitions. [2021-01-06 20:26:27,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:27,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2021-01-06 20:26:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:27,677 INFO L225 Difference]: With dead ends: 2907 [2021-01-06 20:26:27,677 INFO L226 Difference]: Without dead ends: 1977 [2021-01-06 20:26:27,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:27,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2021-01-06 20:26:27,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1967. [2021-01-06 20:26:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1967 states. [2021-01-06 20:26:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1967 states and 3222 transitions. [2021-01-06 20:26:27,794 INFO L78 Accepts]: Start accepts. Automaton has 1967 states and 3222 transitions. Word has length 119 [2021-01-06 20:26:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:27,794 INFO L481 AbstractCegarLoop]: Abstraction has 1967 states and 3222 transitions. [2021-01-06 20:26:27,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 3222 transitions. [2021-01-06 20:26:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 20:26:27,798 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:27,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:27,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 20:26:27,799 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:27,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1735235476, now seen corresponding path program 1 times [2021-01-06 20:26:27,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:27,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496586457] [2021-01-06 20:26:27,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:28,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496586457] [2021-01-06 20:26:28,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:28,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:26:28,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818307364] [2021-01-06 20:26:28,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:26:28,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:28,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:26:28,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:26:28,051 INFO L87 Difference]: Start difference. First operand 1967 states and 3222 transitions. Second operand 6 states. [2021-01-06 20:26:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:28,927 INFO L93 Difference]: Finished difference Result 8371 states and 13812 transitions. [2021-01-06 20:26:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 20:26:28,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2021-01-06 20:26:28,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:28,966 INFO L225 Difference]: With dead ends: 8371 [2021-01-06 20:26:28,967 INFO L226 Difference]: Without dead ends: 6593 [2021-01-06 20:26:28,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-01-06 20:26:28,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6593 states. [2021-01-06 20:26:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6593 to 4691. [2021-01-06 20:26:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4691 states. [2021-01-06 20:26:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 4691 states and 7712 transitions. [2021-01-06 20:26:29,356 INFO L78 Accepts]: Start accepts. Automaton has 4691 states and 7712 transitions. Word has length 122 [2021-01-06 20:26:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:29,357 INFO L481 AbstractCegarLoop]: Abstraction has 4691 states and 7712 transitions. [2021-01-06 20:26:29,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:26:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4691 states and 7712 transitions. [2021-01-06 20:26:29,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-01-06 20:26:29,361 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:29,361 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:29,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 20:26:29,362 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:29,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:29,362 INFO L82 PathProgramCache]: Analyzing trace with hash -2109337106, now seen corresponding path program 1 times [2021-01-06 20:26:29,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:29,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471016600] [2021-01-06 20:26:29,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:29,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471016600] [2021-01-06 20:26:29,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:29,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:29,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558650820] [2021-01-06 20:26:29,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:29,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:29,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:29,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:29,553 INFO L87 Difference]: Start difference. First operand 4691 states and 7712 transitions. Second operand 4 states. [2021-01-06 20:26:30,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:30,101 INFO L93 Difference]: Finished difference Result 11831 states and 19533 transitions. [2021-01-06 20:26:30,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:26:30,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2021-01-06 20:26:30,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:30,140 INFO L225 Difference]: With dead ends: 11831 [2021-01-06 20:26:30,140 INFO L226 Difference]: Without dead ends: 7329 [2021-01-06 20:26:30,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:26:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2021-01-06 20:26:30,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 6819. [2021-01-06 20:26:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6819 states. [2021-01-06 20:26:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6819 states to 6819 states and 11232 transitions. [2021-01-06 20:26:30,621 INFO L78 Accepts]: Start accepts. Automaton has 6819 states and 11232 transitions. Word has length 123 [2021-01-06 20:26:30,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:30,622 INFO L481 AbstractCegarLoop]: Abstraction has 6819 states and 11232 transitions. [2021-01-06 20:26:30,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:26:30,622 INFO L276 IsEmpty]: Start isEmpty. Operand 6819 states and 11232 transitions. [2021-01-06 20:26:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-01-06 20:26:30,629 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:30,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:30,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 20:26:30,630 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:30,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:30,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1027444837, now seen corresponding path program 1 times [2021-01-06 20:26:30,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:30,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439180947] [2021-01-06 20:26:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:30,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439180947] [2021-01-06 20:26:30,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:30,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:30,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274759314] [2021-01-06 20:26:30,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:30,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:30,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:30,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:30,783 INFO L87 Difference]: Start difference. First operand 6819 states and 11232 transitions. Second operand 4 states. [2021-01-06 20:26:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:31,593 INFO L93 Difference]: Finished difference Result 17842 states and 29452 transitions. [2021-01-06 20:26:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:26:31,593 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2021-01-06 20:26:31,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:31,662 INFO L225 Difference]: With dead ends: 17842 [2021-01-06 20:26:31,662 INFO L226 Difference]: Without dead ends: 11212 [2021-01-06 20:26:31,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11212 states. [2021-01-06 20:26:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11212 to 9771. [2021-01-06 20:26:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9771 states. [2021-01-06 20:26:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9771 states to 9771 states and 16083 transitions. [2021-01-06 20:26:32,438 INFO L78 Accepts]: Start accepts. Automaton has 9771 states and 16083 transitions. Word has length 124 [2021-01-06 20:26:32,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:32,438 INFO L481 AbstractCegarLoop]: Abstraction has 9771 states and 16083 transitions. [2021-01-06 20:26:32,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:26:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 9771 states and 16083 transitions. [2021-01-06 20:26:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:26:32,445 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:32,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:32,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 20:26:32,446 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:32,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:32,447 INFO L82 PathProgramCache]: Analyzing trace with hash -275676370, now seen corresponding path program 1 times [2021-01-06 20:26:32,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:32,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202381237] [2021-01-06 20:26:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:32,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202381237] [2021-01-06 20:26:32,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:32,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:32,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697191163] [2021-01-06 20:26:32,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:32,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:32,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:32,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:32,543 INFO L87 Difference]: Start difference. First operand 9771 states and 16083 transitions. Second operand 3 states. [2021-01-06 20:26:33,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:33,403 INFO L93 Difference]: Finished difference Result 19632 states and 32392 transitions. [2021-01-06 20:26:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:33,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 20:26:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:33,448 INFO L225 Difference]: With dead ends: 19632 [2021-01-06 20:26:33,448 INFO L226 Difference]: Without dead ends: 14134 [2021-01-06 20:26:33,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14134 states. [2021-01-06 20:26:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14134 to 14132. [2021-01-06 20:26:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2021-01-06 20:26:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 23224 transitions. [2021-01-06 20:26:34,473 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 23224 transitions. Word has length 125 [2021-01-06 20:26:34,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:34,474 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 23224 transitions. [2021-01-06 20:26:34,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 23224 transitions. [2021-01-06 20:26:34,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:26:34,478 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:34,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:34,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 20:26:34,479 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:34,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:34,480 INFO L82 PathProgramCache]: Analyzing trace with hash 15369622, now seen corresponding path program 1 times [2021-01-06 20:26:34,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:34,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289908037] [2021-01-06 20:26:34,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:34,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289908037] [2021-01-06 20:26:34,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:34,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:34,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532302674] [2021-01-06 20:26:34,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:34,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:34,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:34,665 INFO L87 Difference]: Start difference. First operand 14132 states and 23224 transitions. Second operand 3 states. [2021-01-06 20:26:35,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:35,590 INFO L93 Difference]: Finished difference Result 27858 states and 45917 transitions. [2021-01-06 20:26:35,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:35,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 20:26:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:35,650 INFO L225 Difference]: With dead ends: 27858 [2021-01-06 20:26:35,651 INFO L226 Difference]: Without dead ends: 20148 [2021-01-06 20:26:35,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20148 states. [2021-01-06 20:26:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20148 to 20146. [2021-01-06 20:26:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20146 states. [2021-01-06 20:26:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20146 states to 20146 states and 33054 transitions. [2021-01-06 20:26:36,640 INFO L78 Accepts]: Start accepts. Automaton has 20146 states and 33054 transitions. Word has length 125 [2021-01-06 20:26:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:36,643 INFO L481 AbstractCegarLoop]: Abstraction has 20146 states and 33054 transitions. [2021-01-06 20:26:36,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20146 states and 33054 transitions. [2021-01-06 20:26:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:26:36,651 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:36,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:36,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 20:26:36,652 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:36,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1843964843, now seen corresponding path program 1 times [2021-01-06 20:26:36,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:36,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464737305] [2021-01-06 20:26:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:36,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464737305] [2021-01-06 20:26:36,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:36,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:36,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921972653] [2021-01-06 20:26:36,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:36,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:36,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:36,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:36,768 INFO L87 Difference]: Start difference. First operand 20146 states and 33054 transitions. Second operand 4 states. [2021-01-06 20:26:38,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:38,883 INFO L93 Difference]: Finished difference Result 63048 states and 103778 transitions. [2021-01-06 20:26:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:26:38,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2021-01-06 20:26:38,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:38,998 INFO L225 Difference]: With dead ends: 63048 [2021-01-06 20:26:38,999 INFO L226 Difference]: Without dead ends: 43510 [2021-01-06 20:26:39,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:26:39,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43510 states. [2021-01-06 20:26:40,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43510 to 31766. [2021-01-06 20:26:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31766 states. [2021-01-06 20:26:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31766 states to 31766 states and 52060 transitions. [2021-01-06 20:26:40,962 INFO L78 Accepts]: Start accepts. Automaton has 31766 states and 52060 transitions. Word has length 125 [2021-01-06 20:26:40,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:40,962 INFO L481 AbstractCegarLoop]: Abstraction has 31766 states and 52060 transitions. [2021-01-06 20:26:40,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:26:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 31766 states and 52060 transitions. [2021-01-06 20:26:40,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:26:40,967 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:40,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:40,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 20:26:40,967 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:40,968 INFO L82 PathProgramCache]: Analyzing trace with hash -815921210, now seen corresponding path program 1 times [2021-01-06 20:26:40,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:40,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862357147] [2021-01-06 20:26:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:41,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862357147] [2021-01-06 20:26:41,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:41,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:41,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186797206] [2021-01-06 20:26:41,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:41,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:41,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:41,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:41,070 INFO L87 Difference]: Start difference. First operand 31766 states and 52060 transitions. Second operand 3 states. [2021-01-06 20:26:43,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:43,214 INFO L93 Difference]: Finished difference Result 70396 states and 115732 transitions. [2021-01-06 20:26:43,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:43,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 20:26:43,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:43,310 INFO L225 Difference]: With dead ends: 70396 [2021-01-06 20:26:43,310 INFO L226 Difference]: Without dead ends: 47781 [2021-01-06 20:26:43,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:43,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47781 states. [2021-01-06 20:26:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47781 to 47779. [2021-01-06 20:26:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47779 states. [2021-01-06 20:26:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47779 states to 47779 states and 78186 transitions. [2021-01-06 20:26:46,037 INFO L78 Accepts]: Start accepts. Automaton has 47779 states and 78186 transitions. Word has length 125 [2021-01-06 20:26:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:46,038 INFO L481 AbstractCegarLoop]: Abstraction has 47779 states and 78186 transitions. [2021-01-06 20:26:46,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 47779 states and 78186 transitions. [2021-01-06 20:26:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-01-06 20:26:46,040 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:46,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:46,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 20:26:46,040 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:46,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:46,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1819340837, now seen corresponding path program 1 times [2021-01-06 20:26:46,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:46,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703189287] [2021-01-06 20:26:46,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:46,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703189287] [2021-01-06 20:26:46,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:46,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 20:26:46,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295689145] [2021-01-06 20:26:46,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 20:26:46,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:46,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 20:26:46,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:46,116 INFO L87 Difference]: Start difference. First operand 47779 states and 78186 transitions. Second operand 3 states. [2021-01-06 20:26:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:26:49,640 INFO L93 Difference]: Finished difference Result 106298 states and 175363 transitions. [2021-01-06 20:26:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 20:26:49,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2021-01-06 20:26:49,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:26:49,807 INFO L225 Difference]: With dead ends: 106298 [2021-01-06 20:26:49,807 INFO L226 Difference]: Without dead ends: 71747 [2021-01-06 20:26:49,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 20:26:49,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71747 states. [2021-01-06 20:26:53,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71747 to 71745. [2021-01-06 20:26:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71745 states. [2021-01-06 20:26:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71745 states to 71745 states and 117564 transitions. [2021-01-06 20:26:53,841 INFO L78 Accepts]: Start accepts. Automaton has 71745 states and 117564 transitions. Word has length 125 [2021-01-06 20:26:53,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:26:53,842 INFO L481 AbstractCegarLoop]: Abstraction has 71745 states and 117564 transitions. [2021-01-06 20:26:53,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 20:26:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 71745 states and 117564 transitions. [2021-01-06 20:26:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-01-06 20:26:53,850 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:26:53,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:26:53,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 20:26:53,851 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:26:53,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:26:53,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1381723230, now seen corresponding path program 1 times [2021-01-06 20:26:53,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:26:53,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518658867] [2021-01-06 20:26:53,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:26:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:26:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:26:53,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518658867] [2021-01-06 20:26:53,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:26:53,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 20:26:53,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315731656] [2021-01-06 20:26:53,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 20:26:53,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:26:53,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 20:26:53,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 20:26:53,989 INFO L87 Difference]: Start difference. First operand 71745 states and 117564 transitions. Second operand 4 states. [2021-01-06 20:27:01,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:27:01,883 INFO L93 Difference]: Finished difference Result 221822 states and 364275 transitions. [2021-01-06 20:27:01,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 20:27:01,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2021-01-06 20:27:01,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:27:02,186 INFO L225 Difference]: With dead ends: 221822 [2021-01-06 20:27:02,186 INFO L226 Difference]: Without dead ends: 150321 [2021-01-06 20:27:02,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:27:02,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150321 states. [2021-01-06 20:27:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150321 to 110776. [2021-01-06 20:27:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110776 states. [2021-01-06 20:27:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110776 states to 110776 states and 181057 transitions. [2021-01-06 20:27:08,893 INFO L78 Accepts]: Start accepts. Automaton has 110776 states and 181057 transitions. Word has length 126 [2021-01-06 20:27:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:27:08,893 INFO L481 AbstractCegarLoop]: Abstraction has 110776 states and 181057 transitions. [2021-01-06 20:27:08,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 20:27:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 110776 states and 181057 transitions. [2021-01-06 20:27:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-01-06 20:27:08,894 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:27:08,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:27:08,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 20:27:08,895 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:27:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:27:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2086532755, now seen corresponding path program 1 times [2021-01-06 20:27:08,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:27:08,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542419334] [2021-01-06 20:27:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:27:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:27:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:27:09,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542419334] [2021-01-06 20:27:09,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:27:09,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:27:09,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056320129] [2021-01-06 20:27:09,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:27:09,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:27:09,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:27:09,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:27:09,396 INFO L87 Difference]: Start difference. First operand 110776 states and 181057 transitions. Second operand 6 states. [2021-01-06 20:27:19,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:27:19,601 INFO L93 Difference]: Finished difference Result 279054 states and 456463 transitions. [2021-01-06 20:27:19,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:27:19,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2021-01-06 20:27:19,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:27:19,943 INFO L225 Difference]: With dead ends: 279054 [2021-01-06 20:27:19,943 INFO L226 Difference]: Without dead ends: 168522 [2021-01-06 20:27:20,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:27:20,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168522 states. [2021-01-06 20:27:29,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168522 to 141796. [2021-01-06 20:27:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141796 states. [2021-01-06 20:27:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141796 states to 141796 states and 230812 transitions. [2021-01-06 20:27:29,389 INFO L78 Accepts]: Start accepts. Automaton has 141796 states and 230812 transitions. Word has length 128 [2021-01-06 20:27:29,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:27:29,389 INFO L481 AbstractCegarLoop]: Abstraction has 141796 states and 230812 transitions. [2021-01-06 20:27:29,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:27:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 141796 states and 230812 transitions. [2021-01-06 20:27:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-01-06 20:27:29,390 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:27:29,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:27:29,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 20:27:29,390 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:27:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:27:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1082243879, now seen corresponding path program 1 times [2021-01-06 20:27:29,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:27:29,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455070079] [2021-01-06 20:27:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:27:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:27:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:27:29,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455070079] [2021-01-06 20:27:29,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:27:29,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:27:29,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269457388] [2021-01-06 20:27:29,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:27:29,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:27:29,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:27:29,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:27:29,928 INFO L87 Difference]: Start difference. First operand 141796 states and 230812 transitions. Second operand 6 states. [2021-01-06 20:27:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:27:52,395 INFO L93 Difference]: Finished difference Result 463500 states and 755841 transitions. [2021-01-06 20:27:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:27:52,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2021-01-06 20:27:52,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:27:53,120 INFO L225 Difference]: With dead ends: 463500 [2021-01-06 20:27:53,120 INFO L226 Difference]: Without dead ends: 321948 [2021-01-06 20:27:53,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-01-06 20:27:53,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321948 states. [2021-01-06 20:28:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321948 to 195472. [2021-01-06 20:28:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195472 states. [2021-01-06 20:28:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195472 states to 195472 states and 317363 transitions. [2021-01-06 20:28:10,551 INFO L78 Accepts]: Start accepts. Automaton has 195472 states and 317363 transitions. Word has length 131 [2021-01-06 20:28:10,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:28:10,552 INFO L481 AbstractCegarLoop]: Abstraction has 195472 states and 317363 transitions. [2021-01-06 20:28:10,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:28:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 195472 states and 317363 transitions. [2021-01-06 20:28:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-01-06 20:28:10,553 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:28:10,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:28:10,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 20:28:10,555 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:28:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:28:10,557 INFO L82 PathProgramCache]: Analyzing trace with hash -812087216, now seen corresponding path program 1 times [2021-01-06 20:28:10,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:28:10,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019952879] [2021-01-06 20:28:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:28:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:28:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 20:28:10,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019952879] [2021-01-06 20:28:10,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:28:10,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 20:28:10,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949371581] [2021-01-06 20:28:10,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 20:28:10,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:28:10,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 20:28:10,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 20:28:10,803 INFO L87 Difference]: Start difference. First operand 195472 states and 317363 transitions. Second operand 5 states. [2021-01-06 20:28:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:28:41,935 INFO L93 Difference]: Finished difference Result 384896 states and 622435 transitions. [2021-01-06 20:28:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:28:41,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2021-01-06 20:28:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:28:42,804 INFO L225 Difference]: With dead ends: 384896 [2021-01-06 20:28:42,805 INFO L226 Difference]: Without dead ends: 384894 [2021-01-06 20:28:42,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:28:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384894 states. [2021-01-06 20:29:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384894 to 200188. [2021-01-06 20:29:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200188 states. [2021-01-06 20:29:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200188 states to 200188 states and 322052 transitions. [2021-01-06 20:29:03,054 INFO L78 Accepts]: Start accepts. Automaton has 200188 states and 322052 transitions. Word has length 132 [2021-01-06 20:29:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:29:03,054 INFO L481 AbstractCegarLoop]: Abstraction has 200188 states and 322052 transitions. [2021-01-06 20:29:03,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 20:29:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 200188 states and 322052 transitions. [2021-01-06 20:29:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 20:29:03,061 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:29:03,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:29:03,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 20:29:03,061 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:29:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:29:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1146801810, now seen corresponding path program 1 times [2021-01-06 20:29:03,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:29:03,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662666262] [2021-01-06 20:29:03,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:29:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:29:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-01-06 20:29:03,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662666262] [2021-01-06 20:29:03,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:29:03,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:29:03,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659133302] [2021-01-06 20:29:03,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:29:03,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:29:03,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:29:03,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:29:03,253 INFO L87 Difference]: Start difference. First operand 200188 states and 322052 transitions. Second operand 6 states. [2021-01-06 20:29:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:29:25,893 INFO L93 Difference]: Finished difference Result 310754 states and 502239 transitions. [2021-01-06 20:29:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:29:25,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 20:29:25,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:29:26,539 INFO L225 Difference]: With dead ends: 310754 [2021-01-06 20:29:26,539 INFO L226 Difference]: Without dead ends: 231712 [2021-01-06 20:29:26,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:29:26,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231712 states. [2021-01-06 20:29:46,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231712 to 215864. [2021-01-06 20:29:46,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215864 states. [2021-01-06 20:29:47,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215864 states to 215864 states and 347500 transitions. [2021-01-06 20:29:47,456 INFO L78 Accepts]: Start accepts. Automaton has 215864 states and 347500 transitions. Word has length 163 [2021-01-06 20:29:47,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 20:29:47,456 INFO L481 AbstractCegarLoop]: Abstraction has 215864 states and 347500 transitions. [2021-01-06 20:29:47,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 20:29:47,456 INFO L276 IsEmpty]: Start isEmpty. Operand 215864 states and 347500 transitions. [2021-01-06 20:29:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-01-06 20:29:47,464 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 20:29:47,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 20:29:47,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 20:29:47,465 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 20:29:47,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 20:29:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1437847802, now seen corresponding path program 1 times [2021-01-06 20:29:47,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 20:29:47,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334400938] [2021-01-06 20:29:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 20:29:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 20:29:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-01-06 20:29:47,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334400938] [2021-01-06 20:29:47,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 20:29:47,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 20:29:47,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989733427] [2021-01-06 20:29:47,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 20:29:47,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 20:29:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 20:29:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 20:29:47,687 INFO L87 Difference]: Start difference. First operand 215864 states and 347500 transitions. Second operand 6 states. [2021-01-06 20:30:10,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 20:30:10,637 INFO L93 Difference]: Finished difference Result 326430 states and 527687 transitions. [2021-01-06 20:30:10,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 20:30:10,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2021-01-06 20:30:10,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 20:30:11,183 INFO L225 Difference]: With dead ends: 326430 [2021-01-06 20:30:11,183 INFO L226 Difference]: Without dead ends: 247388 [2021-01-06 20:30:11,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-01-06 20:30:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247388 states.