java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-12 04:12:27,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 04:12:27,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 04:12:27,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 04:12:27,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 04:12:27,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 04:12:27,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 04:12:27,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 04:12:27,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 04:12:27,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 04:12:27,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 04:12:27,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 04:12:27,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 04:12:27,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 04:12:27,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 04:12:27,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 04:12:27,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 04:12:27,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 04:12:27,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 04:12:27,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 04:12:27,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 04:12:27,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 04:12:27,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 04:12:27,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 04:12:27,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 04:12:27,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 04:12:27,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 04:12:27,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 04:12:27,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 04:12:27,882 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 04:12:27,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 04:12:27,883 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-12 04:12:27,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 04:12:27,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 04:12:27,909 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-12 04:12:27,909 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-12 04:12:27,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-12 04:12:27,910 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-12 04:12:27,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-12 04:12:27,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-12 04:12:27,910 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-12 04:12:27,910 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-12 04:12:27,910 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-12 04:12:27,910 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-12 04:12:27,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 04:12:27,911 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 04:12:27,911 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 04:12:27,911 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 04:12:27,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 04:12:27,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 04:12:27,912 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 04:12:27,912 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-12 04:12:27,912 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 04:12:27,912 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 04:12:27,912 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 04:12:27,913 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-12 04:12:27,913 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-12 04:12:27,913 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 04:12:27,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 04:12:27,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:27,914 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-12 04:12:27,915 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-12 04:12:27,915 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-12 04:12:27,915 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-12 04:12:27,916 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-12 04:12:27,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 04:12:27,959 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 04:12:27,963 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 04:12:27,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 04:12:27,965 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 04:12:27,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-04-12 04:12:28,294 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84ba53a4f [2018-04-12 04:12:28,421 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 04:12:28,421 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 04:12:28,422 INFO L168 CDTParser]: Scanning ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-04-12 04:12:28,423 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 04:12:28,423 INFO L215 ultiparseSymbolTable]: [2018-04-12 04:12:28,423 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 04:12:28,423 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-04-12 04:12:28,424 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo ('foo') in ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-04-12 04:12:28,424 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 04:12:28,424 INFO L233 ultiparseSymbolTable]: [2018-04-12 04:12:28,617 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG84ba53a4f [2018-04-12 04:12:28,623 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 04:12:28,625 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-12 04:12:28,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 04:12:28,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 04:12:28,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 04:12:28,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0783d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28, skipping insertion in model container [2018-04-12 04:12:28,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,660 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 04:12:28,672 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 04:12:28,809 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 04:12:28,833 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 04:12:28,839 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-12 04:12:28,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28 WrapperNode [2018-04-12 04:12:28,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 04:12:28,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 04:12:28,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 04:12:28,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 04:12:28,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... [2018-04-12 04:12:28,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 04:12:28,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 04:12:28,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 04:12:28,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 04:12:28,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (1/1) ... No working directory specified, using /storage/ultimate/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 [2018-04-12 04:12:28,934 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 04:12:28,934 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 04:12:28,935 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo [2018-04-12 04:12:28,935 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 04:12:28,935 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo [2018-04-12 04:12:28,935 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 04:12:28,935 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 04:12:28,935 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 04:12:28,935 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 04:12:28,936 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 04:12:28,936 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 04:12:28,936 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 04:12:28,936 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 04:12:29,196 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 04:12:29,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:29 BoogieIcfgContainer [2018-04-12 04:12:29,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 04:12:29,197 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-12 04:12:29,197 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-12 04:12:29,198 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-12 04:12:29,201 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:29" (1/1) ... [2018-04-12 04:12:29,207 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-12 04:12:29,208 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-04-12 04:12:29,221 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-12 04:12:29,234 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-12 04:12:29,235 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-04-12 04:12:29,241 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-12 04:12:29,245 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-12 04:12:29,245 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-04-12 04:12:29,247 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-04-12 04:12:29,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-12 04:12:32,446 INFO L314 AbstractInterpreter]: Visited 68 different actions 191 times. Merged at 46 different actions 84 times. Never widened. Found 11 fixpoints after 6 different actions. Largest state had 21 variables. [2018-04-12 04:12:32,448 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-12 04:12:32,457 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 1 [2018-04-12 04:12:32,458 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-12 04:12:32,458 INFO L435 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-04-12 04:12:32,459 INFO L437 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-12 04:12:32,463 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_30 [2018-04-12 04:12:32,463 DEBUG L374 HeapPartitionManager]: with contents [NoStoreIndexInfo] [2018-04-12 04:12:32,463 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_30 [2018-04-12 04:12:32,464 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-12 04:12:32,464 DEBUG L325 HeapPartitionManager]: write locations: [NoStoreIndexInfo] [2018-04-12 04:12:32,464 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_30 [2018-04-12 04:12:32,464 DEBUG L374 HeapPartitionManager]: with contents [NoStoreIndexInfo] [2018-04-12 04:12:32,464 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_30 [2018-04-12 04:12:32,464 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-12 04:12:32,465 DEBUG L325 HeapPartitionManager]: write locations: [NoStoreIndexInfo] [2018-04-12 04:12:32,465 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-12 04:12:32,465 INFO L335 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-04-12 04:12:32,465 INFO L344 HeapPartitionManager]: at dimension 0 [2018-04-12 04:12:32,465 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-04-12 04:12:32,466 INFO L346 HeapPartitionManager]: # location blocks :1 [2018-04-12 04:12:32,466 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-12 04:12:32,466 DEBUG L356 HeapPartitionManager]: [NoStoreIndexInfo] [2018-04-12 04:12:32,467 INFO L344 HeapPartitionManager]: at dimension 1 [2018-04-12 04:12:32,467 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-04-12 04:12:32,467 INFO L346 HeapPartitionManager]: # location blocks :1 [2018-04-12 04:12:32,467 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-12 04:12:32,467 DEBUG L356 HeapPartitionManager]: [NoStoreIndexInfo] [2018-04-12 04:12:32,469 INFO L134 ransitionTransformer]: executing heap partitioning transformation [2018-04-12 04:12:32,473 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,473 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,474 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,474 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,474 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,474 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,475 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,475 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,475 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,476 DEBUG L331 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] [2018-04-12 04:12:32,476 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,477 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,477 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,477 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,478 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,478 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,478 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,478 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,478 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,479 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,479 DEBUG L356 ransitionTransformer]: {main_~i~1=v_main_~i~1_1} [2018-04-12 04:12:32,479 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,479 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,479 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,480 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,480 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid] [2018-04-12 04:12:32,480 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,480 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,480 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,481 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,481 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,481 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,481 DEBUG L356 ransitionTransformer]: {main_~b~0=v_main_~b~0_1} [2018-04-12 04:12:32,481 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,481 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,482 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,482 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,482 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,482 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,482 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,483 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,483 DEBUG L331 ransitionTransformer]: Formula: (and (= 0 |v_main_~#mask~0.offset_1|) (= |v_#valid_7| (store |v_#valid_8| |v_main_~#mask~0.base_1| 1)) (not (= 0 |v_main_~#mask~0.base_1|)) (= 0 (select |v_#valid_8| |v_main_~#mask~0.base_1|)) (= |v_#length_3| (store |v_#length_4| |v_main_~#mask~0.base_1| 32))) InVars {#length=|v_#length_4|, #valid=|v_#valid_8|} OutVars{#length=|v_#length_3|, main_~#mask~0.base=|v_main_~#mask~0.base_1|, main_~#mask~0.offset=|v_main_~#mask~0.offset_1|, #valid=|v_#valid_7|} AuxVars[] AssignedVars[main_~#mask~0.base, main_~#mask~0.offset, #valid, #length] [2018-04-12 04:12:32,483 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,483 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,484 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,484 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_2 0) InVars {} OutVars{main_~i~1=v_main_~i~1_2} AuxVars[] AssignedVars[main_~i~1] [2018-04-12 04:12:32,484 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,484 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,484 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,485 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,485 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,485 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,485 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,485 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,485 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,486 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,486 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,486 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_3 32)) InVars {main_~i~1=v_main_~i~1_3} OutVars{main_~i~1=v_main_~i~1_3} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,486 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,486 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,487 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,487 DEBUG L331 ransitionTransformer]: Formula: (< v_main_~i~1_4 32) InVars {main_~i~1=v_main_~i~1_4} OutVars{main_~i~1=v_main_~i~1_4} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,487 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,487 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,487 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,488 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_10 0) InVars {} OutVars{main_~i~1=v_main_~i~1_10} AuxVars[] AssignedVars[main_~i~1] [2018-04-12 04:12:32,488 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,488 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,488 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,489 DEBUG L331 ransitionTransformer]: Formula: (or (not (< v_main_~i~1_5 32)) (not (<= 0 v_main_~i~1_5))) InVars {main_~i~1=v_main_~i~1_5} OutVars{main_~i~1=v_main_~i~1_5} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,489 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,489 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,489 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,489 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,489 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,490 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,490 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,490 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,490 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,490 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,491 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,491 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,491 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,491 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,491 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,492 DEBUG L331 ransitionTransformer]: Formula: (and (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.baseInParam_1| |v_main_~#mask~0.base_7|) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~sizeInParam_1| v_main_~i~1_18) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offsetInParam_1| |v_main_~#mask~0.offset_7|)) InVars {main_~i~1=v_main_~i~1_18, main_~#mask~0.base=|v_main_~#mask~0.base_7|, main_~#mask~0.offset=|v_main_~#mask~0.offset_7|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~sizeInParam_1|, main_~#mask~0.base=|v_main_~#mask~0.base_7|, main_~#mask~0.offset=|v_main_~#mask~0.offset_7|, main_~i~1=v_main_~i~1_18, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.baseInParam_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base] [2018-04-12 04:12:32,492 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,492 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,492 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~sizeInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.baseInParam_1|} [2018-04-12 04:12:32,492 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,493 DEBUG L358 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~sizeInParam_1|, main_~#mask~0.base=|v_main_~#mask~0.base_7|, main_~#mask~0.offset=|v_main_~#mask~0.offset_7|, main_~i~1=v_main_~i~1_18, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.baseInParam_1|} [2018-04-12 04:12:32,493 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,493 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,493 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_11 32)) InVars {main_~i~1=v_main_~i~1_11} OutVars{main_~i~1=v_main_~i~1_11} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,493 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,494 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,494 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,494 DEBUG L331 ransitionTransformer]: Formula: (< v_main_~i~1_12 32) InVars {main_~i~1=v_main_~i~1_12} OutVars{main_~i~1=v_main_~i~1_12} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,494 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,494 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,495 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,495 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_2| 0) InVars {} OutVars{main_#res=|v_main_#res_2|} AuxVars[] AssignedVars[main_#res] [2018-04-12 04:12:32,495 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,495 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,495 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,496 DEBUG L331 ransitionTransformer]: Formula: (and (<= |v_main_#t~ret3_2| 2147483647) (<= 0 (+ |v_main_#t~ret3_2| 2147483648))) InVars {main_#t~ret3=|v_main_#t~ret3_2|} OutVars{main_#t~ret3=|v_main_#t~ret3_2|} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,496 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,496 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,496 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,496 DEBUG L331 ransitionTransformer]: Formula: (and (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base_1|) (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset_1|)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_1, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_1, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.offset_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~b.base_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset] [2018-04-12 04:12:32,497 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,497 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,497 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,497 DEBUG L331 ransitionTransformer]: Formula: (or (not (< v_main_~i~1_13 32)) (not (<= 0 v_main_~i~1_13))) InVars {main_~i~1=v_main_~i~1_13} OutVars{main_~i~1=v_main_~i~1_13} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,497 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,497 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,498 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,498 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,498 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,498 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,498 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,499 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_11| (store |v_#valid_12| |v_main_~#mask~0.base_5| 0)) InVars {main_~#mask~0.base=|v_main_~#mask~0.base_5|, #valid=|v_#valid_12|} OutVars{main_~#mask~0.base=|v_main_~#mask~0.base_5|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[#valid] [2018-04-12 04:12:32,499 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,499 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,499 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,499 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~b~0_2 (store v_main_~b~0_3 v_main_~i~1_7 |v_main_#t~ret3_3|)) InVars {main_~i~1=v_main_~i~1_7, main_~b~0=v_main_~b~0_3, main_#t~ret3=|v_main_#t~ret3_3|} OutVars{main_~i~1=v_main_~i~1_7, main_~b~0=v_main_~b~0_2, main_#t~ret3=|v_main_#t~ret3_3|} AuxVars[] AssignedVars[main_~b~0] [2018-04-12 04:12:32,500 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,500 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,500 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,500 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size_1|) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_1, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#in~size_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size] [2018-04-12 04:12:32,500 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,500 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,501 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,501 DEBUG L331 ransitionTransformer]: Formula: (not (= v_main_~i~1_14 (select v_main_~b~0_4 v_main_~i~1_14))) InVars {main_~b~0=v_main_~b~0_4, main_~i~1=v_main_~i~1_14} OutVars{main_~b~0=v_main_~b~0_4, main_~i~1=v_main_~i~1_14} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,501 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,501 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,502 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,502 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_15 (select v_main_~b~0_5 v_main_~i~1_15)) InVars {main_~b~0=v_main_~b~0_5, main_~i~1=v_main_~i~1_15} OutVars{main_~b~0=v_main_~b~0_5, main_~i~1=v_main_~i~1_15} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,502 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,502 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,502 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,502 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,503 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,503 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,503 DEBUG L356 ransitionTransformer]: {main_~#mask~0.base=|v_main_~#mask~0.base_6|, main_~#mask~0.offset=|v_main_~#mask~0.offset_6|} [2018-04-12 04:12:32,503 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,503 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,503 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,504 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,504 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,504 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,504 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,504 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_4|} [2018-04-12 04:12:32,504 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,505 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,505 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,505 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,505 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,505 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,506 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,506 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0_1} [2018-04-12 04:12:32,506 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,506 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,506 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,506 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,507 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_1| 1) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-12 04:12:32,507 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,507 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,507 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,507 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post4_1| v_main_~i~1_16) InVars {main_~i~1=v_main_~i~1_16} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~i~1=v_main_~i~1_16} AuxVars[] AssignedVars[main_#t~post4] [2018-04-12 04:12:32,507 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,508 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,508 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,508 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_13| |old(#valid)|) InVars {#valid=|v_#valid_13|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_13|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,508 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,508 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,509 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,509 DEBUG L331 ransitionTransformer]: Formula: (not (= |v_#valid_14| |old(#valid)|)) InVars {#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_14|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,509 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,509 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,509 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,510 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post2_1| v_main_~i~1_8) InVars {main_~i~1=v_main_~i~1_8} OutVars{main_~i~1=v_main_~i~1_8, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_#t~post2] [2018-04-12 04:12:32,510 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,510 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,510 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,510 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,510 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,511 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,511 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_1} [2018-04-12 04:12:32,511 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,511 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,511 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,512 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,512 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_9| (store |v_#valid_10| |v_main_~#mask~0.base_3| 0)) InVars {main_~#mask~0.base=|v_main_~#mask~0.base_3|, #valid=|v_#valid_10|} OutVars{main_~#mask~0.base=|v_main_~#mask~0.base_3|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[#valid] [2018-04-12 04:12:32,512 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,512 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,512 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,513 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_17 (+ |v_main_#t~post4_2| 1)) InVars {main_#t~post4=|v_main_#t~post4_2|} OutVars{main_#t~post4=|v_main_#t~post4_2|, main_~i~1=v_main_~i~1_17} AuxVars[] AssignedVars[main_~i~1] [2018-04-12 04:12:32,513 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,513 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,513 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,513 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_9 (+ |v_main_#t~post2_2| 1)) InVars {main_#t~post2=|v_main_#t~post2_2|} OutVars{main_~i~1=v_main_~i~1_9, main_#t~post2=|v_main_#t~post2_2|} AuxVars[] AssignedVars[main_~i~1] [2018-04-12 04:12:32,513 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,514 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,514 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,514 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_2 0) InVars {} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_2} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0] [2018-04-12 04:12:32,514 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,514 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,515 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,515 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,515 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,515 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,515 DEBUG L356 ransitionTransformer]: {main_~#mask~0.base=|v_main_~#mask~0.base_4|, main_~#mask~0.offset=|v_main_~#mask~0.offset_4|} [2018-04-12 04:12:32,515 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,516 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,516 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,516 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,516 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,516 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,516 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,517 DEBUG L356 ransitionTransformer]: {main_#t~post4=|v_main_#t~post4_3|} [2018-04-12 04:12:32,517 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,517 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,517 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,517 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,517 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,518 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,518 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,518 DEBUG L356 ransitionTransformer]: {main_#t~post2=|v_main_#t~post2_3|} [2018-04-12 04:12:32,518 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,518 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,518 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,519 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,519 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,519 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,519 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,519 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,519 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,520 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,520 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,520 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,520 DEBUG L331 ransitionTransformer]: Formula: (not (<= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_2)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_3} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_3} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,520 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,521 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,521 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,521 DEBUG L331 ransitionTransformer]: Formula: (<= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_4 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_3) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_3, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_4} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~size_3, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_4} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,521 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,521 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,521 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,522 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_11) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_11} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_11} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res] [2018-04-12 04:12:32,522 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,522 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,522 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,522 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= 0 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_5)) (not (< v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_5 32))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_5} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_5} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,523 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,523 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,523 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,523 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,523 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,523 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,524 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,524 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,524 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,524 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,527 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,527 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2))) (and (<= 0 .cse0) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1| (select (select |v_#memory_int_part_locs_30_locs_30_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) .cse0)) (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2 1) (select |v_#length_5| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)) (= 1 (select |v_#valid_15| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)))) InVars {#valid=|v_#valid_15|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} OutVars{#valid=|v_#valid_15|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1] [2018-04-12 04:12:32,528 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-12 04:12:32,528 DEBUG L339 ransitionTransformer]: old formula: [2018-04-12 04:12:32,528 DEBUG L340 ransitionTransformer]: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2))) (and (<= 0 .cse0) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1| (select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) .cse0)) (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2 1) (select |v_#length_5| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)) (= 1 (select |v_#valid_15| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)))) [2018-04-12 04:12:32,528 DEBUG L341 ransitionTransformer]: new formula: [2018-04-12 04:12:32,528 DEBUG L342 ransitionTransformer]: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2))) (and (<= 0 .cse0) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1| (select (select |v_#memory_int_part_locs_30_locs_30_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2) .cse0)) (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2 1) (select |v_#length_5| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)) (= 1 (select |v_#valid_15| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2)))) [2018-04-12 04:12:32,529 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-12 04:12:32,529 DEBUG L347 ransitionTransformer]: old invars: [2018-04-12 04:12:32,529 DEBUG L348 ransitionTransformer]: {#valid=|v_#valid_15|, #memory_int=|v_#memory_int_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} [2018-04-12 04:12:32,529 DEBUG L349 ransitionTransformer]: new invars: [2018-04-12 04:12:32,529 DEBUG L350 ransitionTransformer]: {#valid=|v_#valid_15|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} [2018-04-12 04:12:32,529 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,530 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,530 DEBUG L356 ransitionTransformer]: {#valid=|v_#valid_15|, #memory_int=|v_#memory_int_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} [2018-04-12 04:12:32,530 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,530 DEBUG L358 ransitionTransformer]: {#valid=|v_#valid_15|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_2, #length=|v_#length_5|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_6} [2018-04-12 04:12:32,530 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,530 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,531 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_16| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_3) 1)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_3, #valid=|v_#valid_16|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_3, #valid=|v_#valid_16|} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,531 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,531 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,531 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,531 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_7 1) (select |v_#length_6| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_4))) (not (<= 0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_7)))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_3, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_4, #length=|v_#length_6|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_7} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.offset_3, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~b.base_4, #length=|v_#length_6|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_7} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,532 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,532 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,532 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,532 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0_2 (store v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_8 |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_2|)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0_3, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_8} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0_2, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_8} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~a~0] [2018-04-12 04:12:32,533 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,533 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,533 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,533 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,533 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,533 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,534 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~mem1_3|} [2018-04-12 04:12:32,534 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,534 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,534 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,534 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,535 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_9) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_9} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_9} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0] [2018-04-12 04:12:32,535 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,535 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,535 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,535 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_10 (+ |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_2| 1)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_2|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0_10} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_~i~0] [2018-04-12 04:12:32,535 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,536 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,536 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,536 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,536 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,536 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,536 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#t~post0_3|} [2018-04-12 04:12:32,537 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,537 DEBUG L358 ransitionTransformer]: {} [2018-04-12 04:12:32,537 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,537 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,537 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-12 04:12:32,537 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-12 04:12:32,538 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,538 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,538 DEBUG L331 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret5_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret5=|v_ULTIMATE.start_#t~ret5_2|, main_#res=|v_main_#resOutParam_1|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret5] [2018-04-12 04:12:32,538 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,538 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,538 DEBUG L356 ransitionTransformer]: {ULTIMATE.start_#t~ret5=|v_ULTIMATE.start_#t~ret5_2|} [2018-04-12 04:12:32,539 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,539 DEBUG L358 ransitionTransformer]: {ULTIMATE.start_#t~ret5=|v_ULTIMATE.start_#t~ret5_2|, main_#res=|v_main_#resOutParam_1|} [2018-04-12 04:12:32,539 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,539 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-12 04:12:32,539 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~ret3_5| |v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#resOutParam_1|) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#resOutParam_1|} OutVars{main_#t~ret3=|v_main_#t~ret3_5|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#resOutParam_1|} AuxVars[] AssignedVars[main_#t~ret3] [2018-04-12 04:12:32,539 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-12 04:12:32,540 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-12 04:12:32,540 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_5|} [2018-04-12 04:12:32,540 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-12 04:12:32,540 DEBUG L358 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_5|, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__foo_#resOutParam_1|} [2018-04-12 04:12:32,540 DEBUG L360 ransitionTransformer]: [2018-04-12 04:12:32,541 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-12 04:12:32,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.04 04:12:32 BasicIcfg [2018-04-12 04:12:32,543 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-12 04:12:32,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 04:12:32,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 04:12:32,547 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 04:12:32,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 04:12:28" (1/4) ... [2018-04-12 04:12:32,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bbe0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:12:32, skipping insertion in model container [2018-04-12 04:12:32,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:28" (2/4) ... [2018-04-12 04:12:32,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bbe0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:12:32, skipping insertion in model container [2018-04-12 04:12:32,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:29" (3/4) ... [2018-04-12 04:12:32,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bbe0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 04:12:32, skipping insertion in model container [2018-04-12 04:12:32,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.04 04:12:32" (4/4) ... [2018-04-12 04:12:32,550 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-12 04:12:32,560 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 04:12:32,568 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-04-12 04:12:32,612 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 04:12:32,612 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 04:12:32,613 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-12 04:12:32,613 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 04:12:32,613 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 04:12:32,613 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 04:12:32,613 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 04:12:32,613 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 04:12:32,613 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 04:12:32,614 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 04:12:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-12 04:12:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 04:12:32,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:32,635 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:32,635 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash -681009750, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:32,653 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:32,693 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:32,751 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:32,803 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:32,803 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-12 04:12:32,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 04:12:32,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 04:12:32,817 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 04:12:32,819 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-12 04:12:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:32,909 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2018-04-12 04:12:32,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 04:12:32,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-12 04:12:32,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:32,922 INFO L225 Difference]: With dead ends: 136 [2018-04-12 04:12:32,922 INFO L226 Difference]: Without dead ends: 80 [2018-04-12 04:12:32,926 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 04:12:32,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-12 04:12:32,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 64. [2018-04-12 04:12:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-12 04:12:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-12 04:12:32,974 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 13 [2018-04-12 04:12:32,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:32,974 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-12 04:12:32,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 04:12:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-12 04:12:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 04:12:32,975 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:32,975 INFO L355 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] [2018-04-12 04:12:32,976 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:32,976 INFO L82 PathProgramCache]: Analyzing trace with hash -119315392, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:32,989 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:33,010 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,029 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,082 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:33,082 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-12 04:12:33,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 04:12:33,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 04:12:33,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 04:12:33,084 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 4 states. [2018-04-12 04:12:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:33,137 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-04-12 04:12:33,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 04:12:33,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-04-12 04:12:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:33,141 INFO L225 Difference]: With dead ends: 78 [2018-04-12 04:12:33,141 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 04:12:33,142 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-12 04:12:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 04:12:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2018-04-12 04:12:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 04:12:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-04-12 04:12:33,151 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 22 [2018-04-12 04:12:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:33,151 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-04-12 04:12:33,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 04:12:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-04-12 04:12:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 04:12:33,152 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:33,152 INFO L355 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] [2018-04-12 04:12:33,153 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:33,153 INFO L82 PathProgramCache]: Analyzing trace with hash 596190367, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:33,164 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:33,182 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:33,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:12:33,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:12:33,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:12:33,213 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-12 04:12:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,268 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,313 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:33,313 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-12 04:12:33,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 04:12:33,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 04:12:33,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 04:12:33,314 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 5 states. [2018-04-12 04:12:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:33,388 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-12 04:12:33,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 04:12:33,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-12 04:12:33,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:33,389 INFO L225 Difference]: With dead ends: 67 [2018-04-12 04:12:33,390 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 04:12:33,390 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 04:12:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 04:12:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-12 04:12:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 04:12:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2018-04-12 04:12:33,398 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 23 [2018-04-12 04:12:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:33,398 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2018-04-12 04:12:33,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 04:12:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-04-12 04:12:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 04:12:33,399 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:33,399 INFO L355 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] [2018-04-12 04:12:33,399 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:33,400 INFO L82 PathProgramCache]: Analyzing trace with hash 596190368, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:33,414 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:33,431 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:33,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:12:33,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:12:33,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:12:33,443 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 04:12:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,517 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,641 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:33,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-12 04:12:33,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 04:12:33,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 04:12:33,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-12 04:12:33,642 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 10 states. [2018-04-12 04:12:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:33,835 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2018-04-12 04:12:33,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 04:12:33,836 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-12 04:12:33,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:33,837 INFO L225 Difference]: With dead ends: 75 [2018-04-12 04:12:33,837 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 04:12:33,837 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-04-12 04:12:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 04:12:33,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2018-04-12 04:12:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 04:12:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-04-12 04:12:33,845 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2018-04-12 04:12:33,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:33,846 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-04-12 04:12:33,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 04:12:33,846 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-04-12 04:12:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 04:12:33,847 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:33,847 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 04:12:33,847 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:33,848 INFO L82 PathProgramCache]: Analyzing trace with hash 168788435, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:33,858 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:33,877 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:33,933 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:34,042 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:34,042 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2018-04-12 04:12:34,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 04:12:34,043 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 04:12:34,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-04-12 04:12:34,043 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 11 states. [2018-04-12 04:12:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:34,315 INFO L93 Difference]: Finished difference Result 157 states and 168 transitions. [2018-04-12 04:12:34,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 04:12:34,315 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-04-12 04:12:34,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:34,317 INFO L225 Difference]: With dead ends: 157 [2018-04-12 04:12:34,317 INFO L226 Difference]: Without dead ends: 103 [2018-04-12 04:12:34,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2018-04-12 04:12:34,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-12 04:12:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 87. [2018-04-12 04:12:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 04:12:34,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-04-12 04:12:34,328 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 31 [2018-04-12 04:12:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:34,328 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-04-12 04:12:34,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 04:12:34,329 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-04-12 04:12:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 04:12:34,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:34,330 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 04:12:34,330 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:34,330 INFO L82 PathProgramCache]: Analyzing trace with hash -433013287, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:34,349 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:34,367 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:34,425 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:34,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 04:12:34,517 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:34,517 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2018-04-12 04:12:34,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 04:12:34,518 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 04:12:34,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-12 04:12:34,518 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 8 states. [2018-04-12 04:12:34,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:34,610 INFO L93 Difference]: Finished difference Result 164 states and 173 transitions. [2018-04-12 04:12:34,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 04:12:34,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-04-12 04:12:34,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:34,612 INFO L225 Difference]: With dead ends: 164 [2018-04-12 04:12:34,612 INFO L226 Difference]: Without dead ends: 107 [2018-04-12 04:12:34,613 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-04-12 04:12:34,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-04-12 04:12:34,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 87. [2018-04-12 04:12:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 04:12:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2018-04-12 04:12:34,623 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 33 [2018-04-12 04:12:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:34,624 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2018-04-12 04:12:34,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 04:12:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2018-04-12 04:12:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 04:12:34,625 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:34,625 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:34,625 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:34,626 INFO L82 PathProgramCache]: Analyzing trace with hash 742553190, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:34,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:34,648 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 04:12:34,674 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 04:12:34,720 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-12 04:12:34,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-12 04:12:34,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 04:12:34,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 04:12:34,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-12 04:12:34,721 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 9 states. [2018-04-12 04:12:34,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:34,789 INFO L93 Difference]: Finished difference Result 102 states and 105 transitions. [2018-04-12 04:12:34,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 04:12:34,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-04-12 04:12:34,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:34,790 INFO L225 Difference]: With dead ends: 102 [2018-04-12 04:12:34,791 INFO L226 Difference]: Without dead ends: 101 [2018-04-12 04:12:34,791 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2018-04-12 04:12:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-12 04:12:34,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 86. [2018-04-12 04:12:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-12 04:12:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2018-04-12 04:12:34,803 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 42 [2018-04-12 04:12:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:34,803 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2018-04-12 04:12:34,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 04:12:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2018-04-12 04:12:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 04:12:34,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:34,805 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-12 04:12:34,805 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:34,805 INFO L82 PathProgramCache]: Analyzing trace with hash -431823699, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:34,814 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:34,832 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 04:12:34,863 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-12 04:12:34,901 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:34,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-04-12 04:12:34,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 04:12:34,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 04:12:34,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-12 04:12:34,902 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand 8 states. [2018-04-12 04:12:34,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:34,968 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2018-04-12 04:12:34,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 04:12:34,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2018-04-12 04:12:34,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:34,970 INFO L225 Difference]: With dead ends: 140 [2018-04-12 04:12:34,970 INFO L226 Difference]: Without dead ends: 120 [2018-04-12 04:12:34,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-04-12 04:12:34,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-04-12 04:12:34,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 104. [2018-04-12 04:12:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-12 04:12:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2018-04-12 04:12:34,980 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 50 [2018-04-12 04:12:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:34,981 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2018-04-12 04:12:34,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 04:12:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2018-04-12 04:12:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-12 04:12:34,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:34,983 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 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] [2018-04-12 04:12:34,983 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:34,983 INFO L82 PathProgramCache]: Analyzing trace with hash 105063311, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:34,989 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:35,015 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 04:12:35,039 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-04-12 04:12:35,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:35,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-04-12 04:12:35,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 04:12:35,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 04:12:35,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-12 04:12:35,146 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand 8 states. [2018-04-12 04:12:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:35,226 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-04-12 04:12:35,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 04:12:35,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2018-04-12 04:12:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:35,228 INFO L225 Difference]: With dead ends: 138 [2018-04-12 04:12:35,228 INFO L226 Difference]: Without dead ends: 137 [2018-04-12 04:12:35,228 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-12 04:12:35,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-04-12 04:12:35,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 121. [2018-04-12 04:12:35,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-04-12 04:12:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 129 transitions. [2018-04-12 04:12:35,237 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 129 transitions. Word has length 60 [2018-04-12 04:12:35,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:35,238 INFO L459 AbstractCegarLoop]: Abstraction has 121 states and 129 transitions. [2018-04-12 04:12:35,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 04:12:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2018-04-12 04:12:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 04:12:35,239 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:35,239 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 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] [2018-04-12 04:12:35,240 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:35,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1038004431, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:35,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:35,265 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:35,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:12:35,269 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:12:35,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:12:35,272 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 04:12:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 04:12:35,352 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:35,422 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 04:12:35,443 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:35,443 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14 [2018-04-12 04:12:35,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 04:12:35,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 04:12:35,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-04-12 04:12:35,444 INFO L87 Difference]: Start difference. First operand 121 states and 129 transitions. Second operand 15 states. [2018-04-12 04:12:35,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:35,642 INFO L93 Difference]: Finished difference Result 135 states and 146 transitions. [2018-04-12 04:12:35,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 04:12:35,642 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2018-04-12 04:12:35,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:35,643 INFO L225 Difference]: With dead ends: 135 [2018-04-12 04:12:35,643 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 04:12:35,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2018-04-12 04:12:35,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 04:12:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 122. [2018-04-12 04:12:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-12 04:12:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-04-12 04:12:35,652 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 61 [2018-04-12 04:12:35,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:35,652 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-04-12 04:12:35,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 04:12:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-04-12 04:12:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 04:12:35,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:35,654 INFO L355 BasicCegarLoop]: trace histogram [6, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2018-04-12 04:12:35,654 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:35,654 INFO L82 PathProgramCache]: Analyzing trace with hash -863886545, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:35,666 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:35,685 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:35,845 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 04:12:35,846 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-12 04:12:36,028 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:36,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2018-04-12 04:12:36,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 04:12:36,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 04:12:36,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2018-04-12 04:12:36,029 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 17 states. [2018-04-12 04:12:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:36,267 INFO L93 Difference]: Finished difference Result 243 states and 259 transitions. [2018-04-12 04:12:36,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 04:12:36,268 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 78 [2018-04-12 04:12:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:36,269 INFO L225 Difference]: With dead ends: 243 [2018-04-12 04:12:36,270 INFO L226 Difference]: Without dead ends: 164 [2018-04-12 04:12:36,271 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 135 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=541, Unknown=0, NotChecked=0, Total=702 [2018-04-12 04:12:36,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-12 04:12:36,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 150. [2018-04-12 04:12:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-12 04:12:36,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 158 transitions. [2018-04-12 04:12:36,282 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 158 transitions. Word has length 78 [2018-04-12 04:12:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:36,283 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 158 transitions. [2018-04-12 04:12:36,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 04:12:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2018-04-12 04:12:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 04:12:36,284 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:36,284 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:36,285 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:36,285 INFO L82 PathProgramCache]: Analyzing trace with hash 781323659, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:36,301 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:36,323 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 04:12:36,365 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-04-12 04:12:36,506 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 04:12:36,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 12 [2018-04-12 04:12:36,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 04:12:36,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 04:12:36,507 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-04-12 04:12:36,507 INFO L87 Difference]: Start difference. First operand 150 states and 158 transitions. Second operand 12 states. [2018-04-12 04:12:36,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:36,639 INFO L93 Difference]: Finished difference Result 245 states and 258 transitions. [2018-04-12 04:12:36,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 04:12:36,639 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2018-04-12 04:12:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:36,640 INFO L225 Difference]: With dead ends: 245 [2018-04-12 04:12:36,640 INFO L226 Difference]: Without dead ends: 160 [2018-04-12 04:12:36,641 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-04-12 04:12:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-12 04:12:36,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 150. [2018-04-12 04:12:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-12 04:12:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 156 transitions. [2018-04-12 04:12:36,649 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 156 transitions. Word has length 90 [2018-04-12 04:12:36,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:36,649 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 156 transitions. [2018-04-12 04:12:36,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 04:12:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 156 transitions. [2018-04-12 04:12:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-04-12 04:12:36,650 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:36,651 INFO L355 BasicCegarLoop]: trace histogram [8, 6, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:36,651 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:36,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1888174579, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:36,660 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:36,684 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 04:12:36,728 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 125 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-04-12 04:12:36,824 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:36,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2018-04-12 04:12:36,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 04:12:36,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 04:12:36,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-04-12 04:12:36,825 INFO L87 Difference]: Start difference. First operand 150 states and 156 transitions. Second operand 14 states. [2018-04-12 04:12:36,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:36,953 INFO L93 Difference]: Finished difference Result 245 states and 255 transitions. [2018-04-12 04:12:36,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 04:12:36,953 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 107 [2018-04-12 04:12:36,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:36,954 INFO L225 Difference]: With dead ends: 245 [2018-04-12 04:12:36,954 INFO L226 Difference]: Without dead ends: 160 [2018-04-12 04:12:36,955 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 197 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2018-04-12 04:12:36,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-12 04:12:36,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 150. [2018-04-12 04:12:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-04-12 04:12:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2018-04-12 04:12:36,962 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 107 [2018-04-12 04:12:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:36,962 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2018-04-12 04:12:36,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 04:12:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2018-04-12 04:12:36,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-12 04:12:36,963 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:36,963 INFO L355 BasicCegarLoop]: trace histogram [9, 7, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:36,963 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1011329406, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:36,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:37,000 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 18 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-04-12 04:12:37,127 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 18 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-04-12 04:12:37,256 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:37,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2018-04-12 04:12:37,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 04:12:37,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 04:12:37,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2018-04-12 04:12:37,257 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand 23 states. [2018-04-12 04:12:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:37,663 INFO L93 Difference]: Finished difference Result 276 states and 287 transitions. [2018-04-12 04:12:37,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 04:12:37,664 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 116 [2018-04-12 04:12:37,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:37,665 INFO L225 Difference]: With dead ends: 276 [2018-04-12 04:12:37,665 INFO L226 Difference]: Without dead ends: 205 [2018-04-12 04:12:37,666 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 203 SyntacticMatches, 7 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 04:12:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-04-12 04:12:37,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 189. [2018-04-12 04:12:37,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-04-12 04:12:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 194 transitions. [2018-04-12 04:12:37,676 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 194 transitions. Word has length 116 [2018-04-12 04:12:37,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:37,677 INFO L459 AbstractCegarLoop]: Abstraction has 189 states and 194 transitions. [2018-04-12 04:12:37,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 04:12:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2018-04-12 04:12:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-04-12 04:12:37,678 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:37,679 INFO L355 BasicCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:37,679 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:37,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2146359051, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:37,687 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:37,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 13 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-04-12 04:12:37,792 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:37,915 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 13 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-04-12 04:12:37,935 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:37,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 20 [2018-04-12 04:12:37,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 04:12:37,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 04:12:37,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2018-04-12 04:12:37,936 INFO L87 Difference]: Start difference. First operand 189 states and 194 transitions. Second operand 20 states. [2018-04-12 04:12:38,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:38,194 INFO L93 Difference]: Finished difference Result 280 states and 288 transitions. [2018-04-12 04:12:38,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 04:12:38,194 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 126 [2018-04-12 04:12:38,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:38,195 INFO L225 Difference]: With dead ends: 280 [2018-04-12 04:12:38,195 INFO L226 Difference]: Without dead ends: 203 [2018-04-12 04:12:38,196 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 227 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2018-04-12 04:12:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-04-12 04:12:38,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 189. [2018-04-12 04:12:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-04-12 04:12:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 192 transitions. [2018-04-12 04:12:38,204 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 192 transitions. Word has length 126 [2018-04-12 04:12:38,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:38,205 INFO L459 AbstractCegarLoop]: Abstraction has 189 states and 192 transitions. [2018-04-12 04:12:38,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 04:12:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 192 transitions. [2018-04-12 04:12:38,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-04-12 04:12:38,206 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:38,206 INFO L355 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:38,206 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1177710814, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:38,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:38,259 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-04-12 04:12:38,294 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-04-12 04:12:38,370 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:38,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-04-12 04:12:38,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 04:12:38,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 04:12:38,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2018-04-12 04:12:38,371 INFO L87 Difference]: Start difference. First operand 189 states and 192 transitions. Second operand 16 states. [2018-04-12 04:12:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:38,621 INFO L93 Difference]: Finished difference Result 263 states and 274 transitions. [2018-04-12 04:12:38,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 04:12:38,622 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 135 [2018-04-12 04:12:38,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:38,623 INFO L225 Difference]: With dead ends: 263 [2018-04-12 04:12:38,624 INFO L226 Difference]: Without dead ends: 243 [2018-04-12 04:12:38,624 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=259, Invalid=497, Unknown=0, NotChecked=0, Total=756 [2018-04-12 04:12:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-04-12 04:12:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 227. [2018-04-12 04:12:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-04-12 04:12:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 233 transitions. [2018-04-12 04:12:38,637 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 233 transitions. Word has length 135 [2018-04-12 04:12:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:38,638 INFO L459 AbstractCegarLoop]: Abstraction has 227 states and 233 transitions. [2018-04-12 04:12:38,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 04:12:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 233 transitions. [2018-04-12 04:12:38,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-04-12 04:12:38,640 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:38,640 INFO L355 BasicCegarLoop]: trace histogram [13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:38,640 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:38,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1011694628, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:38,648 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:38,684 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 204 proven. 36 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2018-04-12 04:12:38,744 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 204 proven. 36 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2018-04-12 04:12:38,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:38,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-04-12 04:12:38,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 04:12:38,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 04:12:38,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-04-12 04:12:38,904 INFO L87 Difference]: Start difference. First operand 227 states and 233 transitions. Second operand 16 states. [2018-04-12 04:12:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:39,185 INFO L93 Difference]: Finished difference Result 284 states and 309 transitions. [2018-04-12 04:12:39,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 04:12:39,185 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 163 [2018-04-12 04:12:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:39,187 INFO L225 Difference]: With dead ends: 284 [2018-04-12 04:12:39,187 INFO L226 Difference]: Without dead ends: 283 [2018-04-12 04:12:39,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2018-04-12 04:12:39,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-04-12 04:12:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 262. [2018-04-12 04:12:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-04-12 04:12:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 275 transitions. [2018-04-12 04:12:39,200 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 275 transitions. Word has length 163 [2018-04-12 04:12:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:39,200 INFO L459 AbstractCegarLoop]: Abstraction has 262 states and 275 transitions. [2018-04-12 04:12:39,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 04:12:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2018-04-12 04:12:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-04-12 04:12:39,201 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:39,202 INFO L355 BasicCegarLoop]: trace histogram [13, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:39,202 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:39,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1297762620, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:39,208 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:39,251 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:39,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:12:39,254 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:12:39,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:12:39,265 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 04:12:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 225 proven. 39 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2018-04-12 04:12:39,456 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 225 proven. 39 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2018-04-12 04:12:39,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:39,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2018-04-12 04:12:39,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 04:12:39,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 04:12:39,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2018-04-12 04:12:39,639 INFO L87 Difference]: Start difference. First operand 262 states and 275 transitions. Second operand 23 states. [2018-04-12 04:12:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:40,314 INFO L93 Difference]: Finished difference Result 279 states and 304 transitions. [2018-04-12 04:12:40,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 04:12:40,314 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 164 [2018-04-12 04:12:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:40,316 INFO L225 Difference]: With dead ends: 279 [2018-04-12 04:12:40,316 INFO L226 Difference]: Without dead ends: 278 [2018-04-12 04:12:40,316 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 302 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=362, Invalid=1044, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 04:12:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-04-12 04:12:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 263. [2018-04-12 04:12:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-04-12 04:12:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 273 transitions. [2018-04-12 04:12:40,327 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 273 transitions. Word has length 164 [2018-04-12 04:12:40,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:40,327 INFO L459 AbstractCegarLoop]: Abstraction has 263 states and 273 transitions. [2018-04-12 04:12:40,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 04:12:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 273 transitions. [2018-04-12 04:12:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-04-12 04:12:40,328 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:40,328 INFO L355 BasicCegarLoop]: trace histogram [17, 14, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:40,328 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:40,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1498895132, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:40,336 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:40,379 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 639 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-04-12 04:12:40,525 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 639 proven. 42 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-04-12 04:12:40,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:40,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 29 [2018-04-12 04:12:40,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 04:12:40,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 04:12:40,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=682, Unknown=0, NotChecked=0, Total=812 [2018-04-12 04:12:40,746 INFO L87 Difference]: Start difference. First operand 263 states and 273 transitions. Second operand 29 states. [2018-04-12 04:12:41,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:41,146 INFO L93 Difference]: Finished difference Result 455 states and 476 transitions. [2018-04-12 04:12:41,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-12 04:12:41,146 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 199 [2018-04-12 04:12:41,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:41,148 INFO L225 Difference]: With dead ends: 455 [2018-04-12 04:12:41,148 INFO L226 Difference]: Without dead ends: 320 [2018-04-12 04:12:41,150 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 361 SyntacticMatches, 9 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=431, Invalid=1825, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 04:12:41,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-04-12 04:12:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 309. [2018-04-12 04:12:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-04-12 04:12:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 319 transitions. [2018-04-12 04:12:41,167 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 319 transitions. Word has length 199 [2018-04-12 04:12:41,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:41,168 INFO L459 AbstractCegarLoop]: Abstraction has 309 states and 319 transitions. [2018-04-12 04:12:41,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 04:12:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 319 transitions. [2018-04-12 04:12:41,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-04-12 04:12:41,178 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:41,178 INFO L355 BasicCegarLoop]: trace histogram [21, 17, 16, 16, 16, 16, 16, 16, 16, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:41,178 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:41,179 INFO L82 PathProgramCache]: Analyzing trace with hash -772993922, now seen corresponding path program 7 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:41,189 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:41,235 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 970 proven. 33 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-04-12 04:12:41,356 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 970 proven. 33 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-04-12 04:12:41,613 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:41,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 26 [2018-04-12 04:12:41,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 04:12:41,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 04:12:41,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2018-04-12 04:12:41,615 INFO L87 Difference]: Start difference. First operand 309 states and 319 transitions. Second operand 26 states. [2018-04-12 04:12:42,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:42,133 INFO L93 Difference]: Finished difference Result 460 states and 480 transitions. [2018-04-12 04:12:42,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 04:12:42,133 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 246 [2018-04-12 04:12:42,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:42,134 INFO L225 Difference]: With dead ends: 460 [2018-04-12 04:12:42,134 INFO L226 Difference]: Without dead ends: 319 [2018-04-12 04:12:42,135 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 509 GetRequests, 459 SyntacticMatches, 9 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1457, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 04:12:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-04-12 04:12:42,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 309. [2018-04-12 04:12:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-04-12 04:12:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 317 transitions. [2018-04-12 04:12:42,145 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 317 transitions. Word has length 246 [2018-04-12 04:12:42,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:42,145 INFO L459 AbstractCegarLoop]: Abstraction has 309 states and 317 transitions. [2018-04-12 04:12:42,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 04:12:42,146 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 317 transitions. [2018-04-12 04:12:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-04-12 04:12:42,146 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:42,147 INFO L355 BasicCegarLoop]: trace histogram [22, 18, 17, 17, 17, 17, 17, 17, 17, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:42,147 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:42,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1608260525, now seen corresponding path program 8 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:42,153 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:42,198 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 943 proven. 76 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-04-12 04:12:42,396 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 943 proven. 76 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2018-04-12 04:12:42,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:42,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 35 [2018-04-12 04:12:42,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 04:12:42,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 04:12:42,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1010, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 04:12:42,616 INFO L87 Difference]: Start difference. First operand 309 states and 317 transitions. Second operand 35 states. [2018-04-12 04:12:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:43,119 INFO L93 Difference]: Finished difference Result 500 states and 517 transitions. [2018-04-12 04:12:43,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 04:12:43,119 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 255 [2018-04-12 04:12:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:43,121 INFO L225 Difference]: With dead ends: 500 [2018-04-12 04:12:43,122 INFO L226 Difference]: Without dead ends: 375 [2018-04-12 04:12:43,123 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 465 SyntacticMatches, 11 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=626, Invalid=2796, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 04:12:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-04-12 04:12:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 364. [2018-04-12 04:12:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-04-12 04:12:43,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 372 transitions. [2018-04-12 04:12:43,139 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 372 transitions. Word has length 255 [2018-04-12 04:12:43,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:43,140 INFO L459 AbstractCegarLoop]: Abstraction has 364 states and 372 transitions. [2018-04-12 04:12:43,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 04:12:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 372 transitions. [2018-04-12 04:12:43,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-04-12 04:12:43,142 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:43,142 INFO L355 BasicCegarLoop]: trace histogram [27, 22, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:43,142 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:43,143 INFO L82 PathProgramCache]: Analyzing trace with hash 96338626, now seen corresponding path program 9 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:43,165 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:43,248 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 1593 proven. 62 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-04-12 04:12:43,445 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 1593 proven. 62 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-04-12 04:12:43,757 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:43,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2018-04-12 04:12:43,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 04:12:43,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 04:12:43,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=829, Unknown=0, NotChecked=0, Total=992 [2018-04-12 04:12:43,758 INFO L87 Difference]: Start difference. First operand 364 states and 372 transitions. Second operand 32 states. [2018-04-12 04:12:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:44,219 INFO L93 Difference]: Finished difference Result 505 states and 520 transitions. [2018-04-12 04:12:44,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-12 04:12:44,219 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 311 [2018-04-12 04:12:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:44,220 INFO L225 Difference]: With dead ends: 505 [2018-04-12 04:12:44,220 INFO L226 Difference]: Without dead ends: 374 [2018-04-12 04:12:44,221 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 581 SyntacticMatches, 11 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=529, Invalid=2333, Unknown=0, NotChecked=0, Total=2862 [2018-04-12 04:12:44,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-04-12 04:12:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 364. [2018-04-12 04:12:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-04-12 04:12:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 370 transitions. [2018-04-12 04:12:44,232 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 370 transitions. Word has length 311 [2018-04-12 04:12:44,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:44,233 INFO L459 AbstractCegarLoop]: Abstraction has 364 states and 370 transitions. [2018-04-12 04:12:44,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 04:12:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 370 transitions. [2018-04-12 04:12:44,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-04-12 04:12:44,235 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:44,236 INFO L355 BasicCegarLoop]: trace histogram [28, 23, 22, 22, 22, 22, 22, 22, 22, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:44,236 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:44,236 INFO L82 PathProgramCache]: Analyzing trace with hash 747223695, now seen corresponding path program 10 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:44,245 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:44,301 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1304 proven. 120 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked. [2018-04-12 04:12:44,588 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1304 proven. 120 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked. [2018-04-12 04:12:45,046 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:45,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2018-04-12 04:12:45,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 04:12:45,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 04:12:45,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1402, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 04:12:45,047 INFO L87 Difference]: Start difference. First operand 364 states and 370 transitions. Second operand 41 states. [2018-04-12 04:12:45,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:45,833 INFO L93 Difference]: Finished difference Result 554 states and 567 transitions. [2018-04-12 04:12:45,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 04:12:45,833 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 320 [2018-04-12 04:12:45,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:45,835 INFO L225 Difference]: With dead ends: 554 [2018-04-12 04:12:45,836 INFO L226 Difference]: Without dead ends: 439 [2018-04-12 04:12:45,837 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 587 SyntacticMatches, 13 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=857, Invalid=3973, Unknown=0, NotChecked=0, Total=4830 [2018-04-12 04:12:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-04-12 04:12:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 428. [2018-04-12 04:12:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-12 04:12:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 434 transitions. [2018-04-12 04:12:45,856 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 434 transitions. Word has length 320 [2018-04-12 04:12:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:45,857 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 434 transitions. [2018-04-12 04:12:45,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 04:12:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 434 transitions. [2018-04-12 04:12:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-04-12 04:12:45,860 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:45,860 INFO L355 BasicCegarLoop]: trace histogram [34, 28, 27, 27, 27, 27, 27, 27, 27, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:45,860 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:45,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1941081043, now seen corresponding path program 11 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:45,866 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:45,961 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 2415 proven. 100 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2018-04-12 04:12:46,569 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:46,770 WARN L148 SmtUtils]: Spent 196ms on a formula simplification that was a NOOP. DAG size: 35 [2018-04-12 04:12:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3930 backedges. 2415 proven. 100 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2018-04-12 04:12:47,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:47,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 38 [2018-04-12 04:12:47,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 04:12:47,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 04:12:47,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=1187, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 04:12:47,146 INFO L87 Difference]: Start difference. First operand 428 states and 434 transitions. Second operand 38 states. [2018-04-12 04:12:47,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:47,885 INFO L93 Difference]: Finished difference Result 559 states and 569 transitions. [2018-04-12 04:12:47,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 04:12:47,885 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 385 [2018-04-12 04:12:47,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:47,888 INFO L225 Difference]: With dead ends: 559 [2018-04-12 04:12:47,888 INFO L226 Difference]: Without dead ends: 438 [2018-04-12 04:12:47,890 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 721 SyntacticMatches, 13 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=746, Invalid=3414, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 04:12:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-04-12 04:12:47,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 428. [2018-04-12 04:12:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2018-04-12 04:12:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 432 transitions. [2018-04-12 04:12:47,903 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 432 transitions. Word has length 385 [2018-04-12 04:12:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:47,904 INFO L459 AbstractCegarLoop]: Abstraction has 428 states and 432 transitions. [2018-04-12 04:12:47,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 04:12:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 432 transitions. [2018-04-12 04:12:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-04-12 04:12:47,907 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:47,907 INFO L355 BasicCegarLoop]: trace histogram [35, 29, 28, 28, 28, 28, 28, 28, 28, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:47,907 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:47,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1216359266, now seen corresponding path program 12 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:47,914 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:47,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 1722 proven. 174 refuted. 0 times theorem prover too weak. 2292 trivial. 0 not checked. [2018-04-12 04:12:48,320 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 1722 proven. 174 refuted. 0 times theorem prover too weak. 2292 trivial. 0 not checked. [2018-04-12 04:12:48,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:48,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 47 [2018-04-12 04:12:48,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 04:12:48,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 04:12:48,819 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1858, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 04:12:48,819 INFO L87 Difference]: Start difference. First operand 428 states and 432 transitions. Second operand 47 states. [2018-04-12 04:12:49,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:49,634 INFO L93 Difference]: Finished difference Result 626 states and 637 transitions. [2018-04-12 04:12:49,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-12 04:12:49,634 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 394 [2018-04-12 04:12:49,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:49,636 INFO L225 Difference]: With dead ends: 626 [2018-04-12 04:12:49,636 INFO L226 Difference]: Without dead ends: 519 [2018-04-12 04:12:49,638 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 821 GetRequests, 727 SyntacticMatches, 15 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1124, Invalid=5356, Unknown=0, NotChecked=0, Total=6480 [2018-04-12 04:12:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-04-12 04:12:49,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 503. [2018-04-12 04:12:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-04-12 04:12:49,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 508 transitions. [2018-04-12 04:12:49,653 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 508 transitions. Word has length 394 [2018-04-12 04:12:49,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:49,653 INFO L459 AbstractCegarLoop]: Abstraction has 503 states and 508 transitions. [2018-04-12 04:12:49,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 04:12:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 508 transitions. [2018-04-12 04:12:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-04-12 04:12:49,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:49,655 INFO L355 BasicCegarLoop]: trace histogram [34, 27, 27, 27, 27, 27, 27, 27, 27, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:49,655 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:49,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1539545643, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:49,661 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:49,727 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 1520 proven. 147 refuted. 0 times theorem prover too weak. 2304 trivial. 0 not checked. [2018-04-12 04:12:50,077 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3971 backedges. 1520 proven. 147 refuted. 0 times theorem prover too weak. 2304 trivial. 0 not checked. [2018-04-12 04:12:50,547 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:50,547 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 44 [2018-04-12 04:12:50,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 04:12:50,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 04:12:50,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1609, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 04:12:50,549 INFO L87 Difference]: Start difference. First operand 503 states and 508 transitions. Second operand 44 states. [2018-04-12 04:12:51,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:51,155 INFO L93 Difference]: Finished difference Result 630 states and 638 transitions. [2018-04-12 04:12:51,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 04:12:51,155 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 404 [2018-04-12 04:12:51,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:51,157 INFO L225 Difference]: With dead ends: 630 [2018-04-12 04:12:51,157 INFO L226 Difference]: Without dead ends: 517 [2018-04-12 04:12:51,158 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 751 SyntacticMatches, 15 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1000, Invalid=4700, Unknown=0, NotChecked=0, Total=5700 [2018-04-12 04:12:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-04-12 04:12:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 503. [2018-04-12 04:12:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-04-12 04:12:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 506 transitions. [2018-04-12 04:12:51,172 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 506 transitions. Word has length 404 [2018-04-12 04:12:51,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:51,172 INFO L459 AbstractCegarLoop]: Abstraction has 503 states and 506 transitions. [2018-04-12 04:12:51,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 04:12:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 506 transitions. [2018-04-12 04:12:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-04-12 04:12:51,174 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:51,174 INFO L355 BasicCegarLoop]: trace histogram [35, 28, 28, 28, 28, 28, 28, 28, 28, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:51,174 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:51,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1725059074, now seen corresponding path program 6 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:51,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:51,266 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 4004 trivial. 0 not checked. [2018-04-12 04:12:51,465 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 4004 trivial. 0 not checked. [2018-04-12 04:12:51,779 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:51,779 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-04-12 04:12:51,779 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 04:12:51,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 04:12:51,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2018-04-12 04:12:51,780 INFO L87 Difference]: Start difference. First operand 503 states and 506 transitions. Second operand 32 states. [2018-04-12 04:12:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:52,217 INFO L93 Difference]: Finished difference Result 617 states and 636 transitions. [2018-04-12 04:12:52,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 04:12:52,218 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 413 [2018-04-12 04:12:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:52,219 INFO L225 Difference]: With dead ends: 617 [2018-04-12 04:12:52,220 INFO L226 Difference]: Without dead ends: 597 [2018-04-12 04:12:52,220 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 853 GetRequests, 795 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1155, Invalid=2385, Unknown=0, NotChecked=0, Total=3540 [2018-04-12 04:12:52,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2018-04-12 04:12:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 581. [2018-04-12 04:12:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2018-04-12 04:12:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 591 transitions. [2018-04-12 04:12:52,246 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 591 transitions. Word has length 413 [2018-04-12 04:12:52,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:52,246 INFO L459 AbstractCegarLoop]: Abstraction has 581 states and 591 transitions. [2018-04-12 04:12:52,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 04:12:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 591 transitions. [2018-04-12 04:12:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-04-12 04:12:52,250 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:52,251 INFO L355 BasicCegarLoop]: trace histogram [43, 36, 35, 35, 35, 35, 35, 35, 35, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:52,251 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:52,251 INFO L82 PathProgramCache]: Analyzing trace with hash -717853244, now seen corresponding path program 13 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:52,260 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:52,373 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6447 backedges. 1960 proven. 210 refuted. 0 times theorem prover too weak. 4277 trivial. 0 not checked. [2018-04-12 04:12:52,556 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6447 backedges. 1960 proven. 210 refuted. 0 times theorem prover too weak. 4277 trivial. 0 not checked. [2018-04-12 04:12:52,985 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:52,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2018-04-12 04:12:52,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 04:12:52,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 04:12:52,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2018-04-12 04:12:52,987 INFO L87 Difference]: Start difference. First operand 581 states and 591 transitions. Second operand 32 states. [2018-04-12 04:12:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:53,998 INFO L93 Difference]: Finished difference Result 690 states and 771 transitions. [2018-04-12 04:12:53,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 04:12:53,998 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 477 [2018-04-12 04:12:53,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:54,000 INFO L225 Difference]: With dead ends: 690 [2018-04-12 04:12:54,001 INFO L226 Difference]: Without dead ends: 689 [2018-04-12 04:12:54,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 989 GetRequests, 931 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=862, Invalid=2678, Unknown=0, NotChecked=0, Total=3540 [2018-04-12 04:12:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-04-12 04:12:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 652. [2018-04-12 04:12:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2018-04-12 04:12:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 677 transitions. [2018-04-12 04:12:54,032 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 677 transitions. Word has length 477 [2018-04-12 04:12:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:54,033 INFO L459 AbstractCegarLoop]: Abstraction has 652 states and 677 transitions. [2018-04-12 04:12:54,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 04:12:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 677 transitions. [2018-04-12 04:12:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-04-12 04:12:54,037 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:54,037 INFO L355 BasicCegarLoop]: trace histogram [43, 36, 36, 35, 35, 35, 35, 35, 35, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:54,037 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:54,038 INFO L82 PathProgramCache]: Analyzing trace with hash -778613860, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:54,048 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:54,182 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:54,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:12:54,185 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:12:54,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:12:54,190 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 04:12:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 2023 proven. 217 refuted. 0 times theorem prover too weak. 4242 trivial. 0 not checked. [2018-04-12 04:12:54,974 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6482 backedges. 2023 proven. 217 refuted. 0 times theorem prover too weak. 4242 trivial. 0 not checked. [2018-04-12 04:12:55,498 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:55,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2018-04-12 04:12:55,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 04:12:55,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 04:12:55,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 04:12:55,499 INFO L87 Difference]: Start difference. First operand 652 states and 677 transitions. Second operand 39 states. [2018-04-12 04:12:57,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:57,286 INFO L93 Difference]: Finished difference Result 681 states and 762 transitions. [2018-04-12 04:12:57,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 04:12:57,286 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 478 [2018-04-12 04:12:57,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:57,289 INFO L225 Difference]: With dead ends: 681 [2018-04-12 04:12:57,290 INFO L226 Difference]: Without dead ends: 680 [2018-04-12 04:12:57,291 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 987 GetRequests, 906 SyntacticMatches, 13 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1158, Invalid=3672, Unknown=0, NotChecked=0, Total=4830 [2018-04-12 04:12:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2018-04-12 04:12:57,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 653. [2018-04-12 04:12:57,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-04-12 04:12:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 671 transitions. [2018-04-12 04:12:57,309 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 671 transitions. Word has length 478 [2018-04-12 04:12:57,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:57,310 INFO L459 AbstractCegarLoop]: Abstraction has 653 states and 671 transitions. [2018-04-12 04:12:57,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 04:12:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 671 transitions. [2018-04-12 04:12:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-04-12 04:12:57,312 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:57,313 INFO L355 BasicCegarLoop]: trace histogram [51, 44, 43, 43, 43, 43, 43, 43, 43, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:57,313 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:57,313 INFO L82 PathProgramCache]: Analyzing trace with hash -260354236, now seen corresponding path program 14 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:57,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:57,425 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:12:58,117 INFO L134 CoverageAnalysis]: Checked inductivity of 9355 backedges. 4917 proven. 238 refuted. 0 times theorem prover too weak. 4200 trivial. 0 not checked. [2018-04-12 04:12:58,117 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:12:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9355 backedges. 4917 proven. 238 refuted. 0 times theorem prover too weak. 4200 trivial. 0 not checked. [2018-04-12 04:12:58,652 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:12:58,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 53 [2018-04-12 04:12:58,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-12 04:12:58,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-12 04:12:58,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=2378, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 04:12:58,654 INFO L87 Difference]: Start difference. First operand 653 states and 671 transitions. Second operand 53 states. [2018-04-12 04:12:59,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:12:59,760 INFO L93 Difference]: Finished difference Result 993 states and 1030 transitions. [2018-04-12 04:12:59,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 04:12:59,760 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 549 [2018-04-12 04:12:59,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:12:59,762 INFO L225 Difference]: With dead ends: 993 [2018-04-12 04:12:59,762 INFO L226 Difference]: Without dead ends: 746 [2018-04-12 04:12:59,764 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1136 GetRequests, 1029 SyntacticMatches, 17 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2064 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1427, Invalid=6945, Unknown=0, NotChecked=0, Total=8372 [2018-04-12 04:12:59,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2018-04-12 04:12:59,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 735. [2018-04-12 04:12:59,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-04-12 04:12:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 753 transitions. [2018-04-12 04:12:59,782 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 753 transitions. Word has length 549 [2018-04-12 04:12:59,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:12:59,783 INFO L459 AbstractCegarLoop]: Abstraction has 735 states and 753 transitions. [2018-04-12 04:12:59,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-12 04:12:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 753 transitions. [2018-04-12 04:12:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2018-04-12 04:12:59,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:12:59,786 INFO L355 BasicCegarLoop]: trace histogram [59, 51, 50, 50, 50, 50, 50, 50, 50, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:12:59,786 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:12:59,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1847030178, now seen corresponding path program 15 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:12:59,792 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:12:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:12:59,918 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12623 backedges. 7412 proven. 203 refuted. 0 times theorem prover too weak. 5008 trivial. 0 not checked. [2018-04-12 04:13:00,464 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 12623 backedges. 7412 proven. 203 refuted. 0 times theorem prover too weak. 5008 trivial. 0 not checked. [2018-04-12 04:13:01,059 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:01,060 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 50 [2018-04-12 04:13:01,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-12 04:13:01,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-12 04:13:01,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=2095, Unknown=0, NotChecked=0, Total=2450 [2018-04-12 04:13:01,061 INFO L87 Difference]: Start difference. First operand 735 states and 753 transitions. Second operand 50 states. [2018-04-12 04:13:01,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:01,745 INFO L93 Difference]: Finished difference Result 998 states and 1038 transitions. [2018-04-12 04:13:01,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 04:13:01,745 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 632 [2018-04-12 04:13:01,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:01,748 INFO L225 Difference]: With dead ends: 998 [2018-04-12 04:13:01,748 INFO L226 Difference]: Without dead ends: 745 [2018-04-12 04:13:01,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1301 GetRequests, 1199 SyntacticMatches, 17 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2757 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1291, Invalid=6191, Unknown=0, NotChecked=0, Total=7482 [2018-04-12 04:13:01,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-04-12 04:13:01,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 735. [2018-04-12 04:13:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-04-12 04:13:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 751 transitions. [2018-04-12 04:13:01,768 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 751 transitions. Word has length 632 [2018-04-12 04:13:01,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:01,768 INFO L459 AbstractCegarLoop]: Abstraction has 735 states and 751 transitions. [2018-04-12 04:13:01,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-12 04:13:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 751 transitions. [2018-04-12 04:13:01,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2018-04-12 04:13:01,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:01,772 INFO L355 BasicCegarLoop]: trace histogram [60, 52, 51, 51, 51, 51, 51, 51, 51, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:01,772 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:01,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1805103219, now seen corresponding path program 16 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:01,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:01,899 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 13092 backedges. 6113 proven. 312 refuted. 0 times theorem prover too weak. 6667 trivial. 0 not checked. [2018-04-12 04:13:02,466 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 13092 backedges. 6113 proven. 312 refuted. 0 times theorem prover too weak. 6667 trivial. 0 not checked. [2018-04-12 04:13:03,108 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:03,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 59 [2018-04-12 04:13:03,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-12 04:13:03,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-12 04:13:03,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=2962, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 04:13:03,110 INFO L87 Difference]: Start difference. First operand 735 states and 751 transitions. Second operand 59 states. [2018-04-12 04:13:04,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:04,273 INFO L93 Difference]: Finished difference Result 1074 states and 1107 transitions. [2018-04-12 04:13:04,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-12 04:13:04,273 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 641 [2018-04-12 04:13:04,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:04,276 INFO L225 Difference]: With dead ends: 1074 [2018-04-12 04:13:04,276 INFO L226 Difference]: Without dead ends: 837 [2018-04-12 04:13:04,278 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 1205 SyntacticMatches, 19 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2638 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1766, Invalid=8740, Unknown=0, NotChecked=0, Total=10506 [2018-04-12 04:13:04,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-04-12 04:13:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 826. [2018-04-12 04:13:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2018-04-12 04:13:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 842 transitions. [2018-04-12 04:13:04,309 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 842 transitions. Word has length 641 [2018-04-12 04:13:04,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:04,309 INFO L459 AbstractCegarLoop]: Abstraction has 826 states and 842 transitions. [2018-04-12 04:13:04,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-12 04:13:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 842 transitions. [2018-04-12 04:13:04,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-04-12 04:13:04,316 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:04,316 INFO L355 BasicCegarLoop]: trace histogram [69, 60, 59, 59, 59, 59, 59, 59, 59, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:04,316 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:04,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1657369310, now seen corresponding path program 17 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:04,330 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:04,470 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 17457 backedges. 9657 proven. 268 refuted. 0 times theorem prover too weak. 7532 trivial. 0 not checked. [2018-04-12 04:13:05,016 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17457 backedges. 9657 proven. 268 refuted. 0 times theorem prover too weak. 7532 trivial. 0 not checked. [2018-04-12 04:13:05,749 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:05,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 56 [2018-04-12 04:13:05,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-12 04:13:05,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-12 04:13:05,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=2645, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 04:13:05,751 INFO L87 Difference]: Start difference. First operand 826 states and 842 transitions. Second operand 56 states. [2018-04-12 04:13:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:06,539 INFO L93 Difference]: Finished difference Result 1079 states and 1114 transitions. [2018-04-12 04:13:06,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-12 04:13:06,539 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 733 [2018-04-12 04:13:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:06,541 INFO L225 Difference]: With dead ends: 1079 [2018-04-12 04:13:06,541 INFO L226 Difference]: Without dead ends: 836 [2018-04-12 04:13:06,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1508 GetRequests, 1393 SyntacticMatches, 19 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3571 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1619, Invalid=7887, Unknown=0, NotChecked=0, Total=9506 [2018-04-12 04:13:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-04-12 04:13:06,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 826. [2018-04-12 04:13:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 826 states. [2018-04-12 04:13:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 840 transitions. [2018-04-12 04:13:06,567 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 840 transitions. Word has length 733 [2018-04-12 04:13:06,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:06,568 INFO L459 AbstractCegarLoop]: Abstraction has 826 states and 840 transitions. [2018-04-12 04:13:06,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-12 04:13:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 840 transitions. [2018-04-12 04:13:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 743 [2018-04-12 04:13:06,574 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:06,574 INFO L355 BasicCegarLoop]: trace histogram [70, 61, 60, 60, 60, 60, 60, 60, 60, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:06,575 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1386082769, now seen corresponding path program 18 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:06,585 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:06,730 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 18009 backedges. 7438 proven. 396 refuted. 0 times theorem prover too weak. 10175 trivial. 0 not checked. [2018-04-12 04:13:07,445 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:08,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18009 backedges. 7438 proven. 396 refuted. 0 times theorem prover too weak. 10175 trivial. 0 not checked. [2018-04-12 04:13:08,210 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:08,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 65 [2018-04-12 04:13:08,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-12 04:13:08,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-12 04:13:08,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=3610, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 04:13:08,212 INFO L87 Difference]: Start difference. First operand 826 states and 840 transitions. Second operand 65 states. [2018-04-12 04:13:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:09,621 INFO L93 Difference]: Finished difference Result 1164 states and 1193 transitions. [2018-04-12 04:13:09,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-12 04:13:09,622 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 742 [2018-04-12 04:13:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:09,624 INFO L225 Difference]: With dead ends: 1164 [2018-04-12 04:13:09,624 INFO L226 Difference]: Without dead ends: 937 [2018-04-12 04:13:09,625 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1532 GetRequests, 1399 SyntacticMatches, 21 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3282 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2141, Invalid=10741, Unknown=0, NotChecked=0, Total=12882 [2018-04-12 04:13:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-04-12 04:13:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 926. [2018-04-12 04:13:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-04-12 04:13:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 940 transitions. [2018-04-12 04:13:09,644 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 940 transitions. Word has length 742 [2018-04-12 04:13:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:09,645 INFO L459 AbstractCegarLoop]: Abstraction has 926 states and 940 transitions. [2018-04-12 04:13:09,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-12 04:13:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 940 transitions. [2018-04-12 04:13:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2018-04-12 04:13:09,649 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:09,649 INFO L355 BasicCegarLoop]: trace histogram [80, 70, 69, 69, 69, 69, 69, 69, 69, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:09,649 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:09,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1246279155, now seen corresponding path program 19 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:09,655 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:09,783 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23711 backedges. 12281 proven. 342 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2018-04-12 04:13:10,465 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 23711 backedges. 12281 proven. 342 refuted. 0 times theorem prover too weak. 11088 trivial. 0 not checked. [2018-04-12 04:13:11,342 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:11,342 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 62 [2018-04-12 04:13:11,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-12 04:13:11,343 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-12 04:13:11,343 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=523, Invalid=3259, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 04:13:11,343 INFO L87 Difference]: Start difference. First operand 926 states and 940 transitions. Second operand 62 states. [2018-04-12 04:13:12,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:12,330 INFO L93 Difference]: Finished difference Result 1169 states and 1199 transitions. [2018-04-12 04:13:12,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-12 04:13:12,330 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 843 [2018-04-12 04:13:12,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:12,333 INFO L225 Difference]: With dead ends: 1169 [2018-04-12 04:13:12,333 INFO L226 Difference]: Without dead ends: 936 [2018-04-12 04:13:12,335 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1733 GetRequests, 1605 SyntacticMatches, 21 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4490 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1984, Invalid=9788, Unknown=0, NotChecked=0, Total=11772 [2018-04-12 04:13:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2018-04-12 04:13:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 926. [2018-04-12 04:13:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-04-12 04:13:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 938 transitions. [2018-04-12 04:13:12,355 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 938 transitions. Word has length 843 [2018-04-12 04:13:12,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:12,356 INFO L459 AbstractCegarLoop]: Abstraction has 926 states and 938 transitions. [2018-04-12 04:13:12,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-04-12 04:13:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 938 transitions. [2018-04-12 04:13:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2018-04-12 04:13:12,360 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:12,360 INFO L355 BasicCegarLoop]: trace histogram [81, 71, 70, 70, 70, 70, 70, 70, 70, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:12,360 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:12,360 INFO L82 PathProgramCache]: Analyzing trace with hash 2117222526, now seen corresponding path program 20 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:12,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:12,500 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24355 backedges. 8892 proven. 490 refuted. 0 times theorem prover too weak. 14973 trivial. 0 not checked. [2018-04-12 04:13:13,317 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 24355 backedges. 8892 proven. 490 refuted. 0 times theorem prover too weak. 14973 trivial. 0 not checked. [2018-04-12 04:13:14,251 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:14,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 71 [2018-04-12 04:13:14,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-12 04:13:14,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-12 04:13:14,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=648, Invalid=4322, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 04:13:14,253 INFO L87 Difference]: Start difference. First operand 926 states and 938 transitions. Second operand 71 states. [2018-04-12 04:13:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:15,953 INFO L93 Difference]: Finished difference Result 1263 states and 1288 transitions. [2018-04-12 04:13:15,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-12 04:13:15,953 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 852 [2018-04-12 04:13:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:15,956 INFO L225 Difference]: With dead ends: 1263 [2018-04-12 04:13:15,956 INFO L226 Difference]: Without dead ends: 1046 [2018-04-12 04:13:15,958 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1757 GetRequests, 1611 SyntacticMatches, 23 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3996 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=2552, Invalid=12948, Unknown=0, NotChecked=0, Total=15500 [2018-04-12 04:13:15,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2018-04-12 04:13:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1035. [2018-04-12 04:13:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2018-04-12 04:13:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1047 transitions. [2018-04-12 04:13:15,979 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1047 transitions. Word has length 852 [2018-04-12 04:13:15,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:15,979 INFO L459 AbstractCegarLoop]: Abstraction has 1035 states and 1047 transitions. [2018-04-12 04:13:15,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-12 04:13:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1047 transitions. [2018-04-12 04:13:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2018-04-12 04:13:15,984 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:15,985 INFO L355 BasicCegarLoop]: trace histogram [92, 81, 80, 80, 80, 80, 80, 80, 80, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:15,985 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:15,985 INFO L82 PathProgramCache]: Analyzing trace with hash -110835571, now seen corresponding path program 21 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:15,995 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:16,150 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 31661 backedges. 15311 proven. 425 refuted. 0 times theorem prover too weak. 15925 trivial. 0 not checked. [2018-04-12 04:13:17,016 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:18,029 INFO L134 CoverageAnalysis]: Checked inductivity of 31661 backedges. 15311 proven. 425 refuted. 0 times theorem prover too weak. 15925 trivial. 0 not checked. [2018-04-12 04:13:18,049 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:18,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 68 [2018-04-12 04:13:18,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-04-12 04:13:18,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-04-12 04:13:18,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=619, Invalid=3937, Unknown=0, NotChecked=0, Total=4556 [2018-04-12 04:13:18,051 INFO L87 Difference]: Start difference. First operand 1035 states and 1047 transitions. Second operand 68 states. [2018-04-12 04:13:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:19,196 INFO L93 Difference]: Finished difference Result 1268 states and 1293 transitions. [2018-04-12 04:13:19,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-12 04:13:19,196 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 962 [2018-04-12 04:13:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:19,199 INFO L225 Difference]: With dead ends: 1268 [2018-04-12 04:13:19,199 INFO L226 Difference]: Without dead ends: 1045 [2018-04-12 04:13:19,200 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1976 GetRequests, 1835 SyntacticMatches, 23 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5514 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2386, Invalid=11894, Unknown=0, NotChecked=0, Total=14280 [2018-04-12 04:13:19,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-04-12 04:13:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1035. [2018-04-12 04:13:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2018-04-12 04:13:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1045 transitions. [2018-04-12 04:13:19,221 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1045 transitions. Word has length 962 [2018-04-12 04:13:19,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:19,221 INFO L459 AbstractCegarLoop]: Abstraction has 1035 states and 1045 transitions. [2018-04-12 04:13:19,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-04-12 04:13:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1045 transitions. [2018-04-12 04:13:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 972 [2018-04-12 04:13:19,227 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:19,228 INFO L355 BasicCegarLoop]: trace histogram [93, 82, 81, 81, 81, 81, 81, 81, 81, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:19,228 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:19,228 INFO L82 PathProgramCache]: Analyzing trace with hash 750287652, now seen corresponding path program 22 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:19,234 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:19,404 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 32406 backedges. 10475 proven. 594 refuted. 0 times theorem prover too weak. 21337 trivial. 0 not checked. [2018-04-12 04:13:20,375 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32406 backedges. 10475 proven. 594 refuted. 0 times theorem prover too weak. 21337 trivial. 0 not checked. [2018-04-12 04:13:21,526 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:21,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 77 [2018-04-12 04:13:21,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-04-12 04:13:21,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-04-12 04:13:21,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=754, Invalid=5098, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 04:13:21,527 INFO L87 Difference]: Start difference. First operand 1035 states and 1045 transitions. Second operand 77 states. [2018-04-12 04:13:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:23,274 INFO L93 Difference]: Finished difference Result 1371 states and 1392 transitions. [2018-04-12 04:13:23,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-12 04:13:23,274 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 971 [2018-04-12 04:13:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:23,277 INFO L225 Difference]: With dead ends: 1371 [2018-04-12 04:13:23,277 INFO L226 Difference]: Without dead ends: 1164 [2018-04-12 04:13:23,278 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2000 GetRequests, 1841 SyntacticMatches, 25 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4780 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2999, Invalid=15361, Unknown=0, NotChecked=0, Total=18360 [2018-04-12 04:13:23,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-04-12 04:13:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1153. [2018-04-12 04:13:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-04-12 04:13:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1163 transitions. [2018-04-12 04:13:23,301 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1163 transitions. Word has length 971 [2018-04-12 04:13:23,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:23,302 INFO L459 AbstractCegarLoop]: Abstraction has 1153 states and 1163 transitions. [2018-04-12 04:13:23,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-04-12 04:13:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1163 transitions. [2018-04-12 04:13:23,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2018-04-12 04:13:23,309 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:23,309 INFO L355 BasicCegarLoop]: trace histogram [105, 93, 92, 92, 92, 92, 92, 92, 92, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:23,309 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1986990658, now seen corresponding path program 23 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:23,316 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:23,487 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 41610 backedges. 18774 proven. 517 refuted. 0 times theorem prover too weak. 22319 trivial. 0 not checked. [2018-04-12 04:13:24,541 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 41610 backedges. 18774 proven. 517 refuted. 0 times theorem prover too weak. 22319 trivial. 0 not checked. [2018-04-12 04:13:25,799 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:25,799 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 74 [2018-04-12 04:13:25,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-04-12 04:13:25,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-04-12 04:13:25,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=723, Invalid=4679, Unknown=0, NotChecked=0, Total=5402 [2018-04-12 04:13:25,800 INFO L87 Difference]: Start difference. First operand 1153 states and 1163 transitions. Second operand 74 states. [2018-04-12 04:13:27,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:27,108 INFO L93 Difference]: Finished difference Result 1376 states and 1396 transitions. [2018-04-12 04:13:27,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-12 04:13:27,108 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 1090 [2018-04-12 04:13:27,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:27,111 INFO L225 Difference]: With dead ends: 1376 [2018-04-12 04:13:27,112 INFO L226 Difference]: Without dead ends: 1163 [2018-04-12 04:13:27,113 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2237 GetRequests, 2083 SyntacticMatches, 25 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6643 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2825, Invalid=14205, Unknown=0, NotChecked=0, Total=17030 [2018-04-12 04:13:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2018-04-12 04:13:27,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1153. [2018-04-12 04:13:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-04-12 04:13:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1161 transitions. [2018-04-12 04:13:27,137 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1161 transitions. Word has length 1090 [2018-04-12 04:13:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:27,138 INFO L459 AbstractCegarLoop]: Abstraction has 1153 states and 1161 transitions. [2018-04-12 04:13:27,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-04-12 04:13:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1161 transitions. [2018-04-12 04:13:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2018-04-12 04:13:27,145 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:27,145 INFO L355 BasicCegarLoop]: trace histogram [106, 94, 93, 93, 93, 93, 93, 93, 93, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:27,145 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:27,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1836358931, now seen corresponding path program 24 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:27,151 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:27,326 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:28,474 INFO L134 CoverageAnalysis]: Checked inductivity of 42465 backedges. 12187 proven. 708 refuted. 0 times theorem prover too weak. 29570 trivial. 0 not checked. [2018-04-12 04:13:28,474 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42465 backedges. 12187 proven. 708 refuted. 0 times theorem prover too weak. 29570 trivial. 0 not checked. [2018-04-12 04:13:29,784 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:29,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 83 [2018-04-12 04:13:29,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-04-12 04:13:29,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-04-12 04:13:29,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=868, Invalid=5938, Unknown=0, NotChecked=0, Total=6806 [2018-04-12 04:13:29,786 INFO L87 Difference]: Start difference. First operand 1153 states and 1161 transitions. Second operand 83 states. [2018-04-12 04:13:32,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:32,361 INFO L93 Difference]: Finished difference Result 1488 states and 1505 transitions. [2018-04-12 04:13:32,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-04-12 04:13:32,361 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 1099 [2018-04-12 04:13:32,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:32,364 INFO L225 Difference]: With dead ends: 1488 [2018-04-12 04:13:32,364 INFO L226 Difference]: Without dead ends: 1291 [2018-04-12 04:13:32,366 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2261 GetRequests, 2089 SyntacticMatches, 27 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5634 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3482, Invalid=17980, Unknown=0, NotChecked=0, Total=21462 [2018-04-12 04:13:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2018-04-12 04:13:32,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1280. [2018-04-12 04:13:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2018-04-12 04:13:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1288 transitions. [2018-04-12 04:13:32,391 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1288 transitions. Word has length 1099 [2018-04-12 04:13:32,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:32,392 INFO L459 AbstractCegarLoop]: Abstraction has 1280 states and 1288 transitions. [2018-04-12 04:13:32,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-04-12 04:13:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1288 transitions. [2018-04-12 04:13:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2018-04-12 04:13:32,400 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:32,400 INFO L355 BasicCegarLoop]: trace histogram [119, 106, 105, 105, 105, 105, 105, 105, 105, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:32,400 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:32,401 INFO L82 PathProgramCache]: Analyzing trace with hash 711118594, now seen corresponding path program 25 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:32,408 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:32,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 53888 backedges. 22697 proven. 618 refuted. 0 times theorem prover too weak. 30573 trivial. 0 not checked. [2018-04-12 04:13:33,832 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:35,305 INFO L134 CoverageAnalysis]: Checked inductivity of 53888 backedges. 22697 proven. 618 refuted. 0 times theorem prover too weak. 30573 trivial. 0 not checked. [2018-04-12 04:13:35,325 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:35,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 80 [2018-04-12 04:13:35,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-04-12 04:13:35,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-04-12 04:13:35,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=5485, Unknown=0, NotChecked=0, Total=6320 [2018-04-12 04:13:35,327 INFO L87 Difference]: Start difference. First operand 1280 states and 1288 transitions. Second operand 80 states. [2018-04-12 04:13:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:36,879 INFO L93 Difference]: Finished difference Result 1493 states and 1508 transitions. [2018-04-12 04:13:36,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-12 04:13:36,879 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 1227 [2018-04-12 04:13:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:36,883 INFO L225 Difference]: With dead ends: 1493 [2018-04-12 04:13:36,883 INFO L226 Difference]: Without dead ends: 1290 [2018-04-12 04:13:36,885 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2516 GetRequests, 2349 SyntacticMatches, 27 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7877 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3301, Invalid=16721, Unknown=0, NotChecked=0, Total=20022 [2018-04-12 04:13:36,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2018-04-12 04:13:36,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1280. [2018-04-12 04:13:36,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2018-04-12 04:13:36,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1286 transitions. [2018-04-12 04:13:36,914 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1286 transitions. Word has length 1227 [2018-04-12 04:13:36,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:36,914 INFO L459 AbstractCegarLoop]: Abstraction has 1280 states and 1286 transitions. [2018-04-12 04:13:36,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-04-12 04:13:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1286 transitions. [2018-04-12 04:13:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1237 [2018-04-12 04:13:36,927 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:36,927 INFO L355 BasicCegarLoop]: trace histogram [120, 107, 106, 106, 106, 106, 106, 106, 106, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:36,927 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:36,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1749948337, now seen corresponding path program 26 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:36,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:37,160 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 54862 backedges. 14028 proven. 832 refuted. 0 times theorem prover too weak. 40002 trivial. 0 not checked. [2018-04-12 04:13:38,481 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 54862 backedges. 14028 proven. 832 refuted. 0 times theorem prover too weak. 40002 trivial. 0 not checked. [2018-04-12 04:13:40,069 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:40,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 89 [2018-04-12 04:13:40,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-04-12 04:13:40,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-04-12 04:13:40,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=6842, Unknown=0, NotChecked=0, Total=7832 [2018-04-12 04:13:40,071 INFO L87 Difference]: Start difference. First operand 1280 states and 1286 transitions. Second operand 89 states. [2018-04-12 04:13:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:42,846 INFO L93 Difference]: Finished difference Result 1614 states and 1627 transitions. [2018-04-12 04:13:42,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-12 04:13:42,846 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 1236 [2018-04-12 04:13:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:42,850 INFO L225 Difference]: With dead ends: 1614 [2018-04-12 04:13:42,850 INFO L226 Difference]: Without dead ends: 1427 [2018-04-12 04:13:42,851 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2540 GetRequests, 2355 SyntacticMatches, 29 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6558 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4001, Invalid=20805, Unknown=0, NotChecked=0, Total=24806 [2018-04-12 04:13:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2018-04-12 04:13:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1416. [2018-04-12 04:13:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2018-04-12 04:13:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1422 transitions. [2018-04-12 04:13:42,878 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1422 transitions. Word has length 1236 [2018-04-12 04:13:42,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:42,879 INFO L459 AbstractCegarLoop]: Abstraction has 1416 states and 1422 transitions. [2018-04-12 04:13:42,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-04-12 04:13:42,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1422 transitions. [2018-04-12 04:13:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1374 [2018-04-12 04:13:42,888 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:42,889 INFO L355 BasicCegarLoop]: trace histogram [134, 120, 119, 119, 119, 119, 119, 119, 119, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:42,889 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:42,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1957118099, now seen corresponding path program 27 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:42,894 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:43,118 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 68852 backedges. 27107 proven. 728 refuted. 0 times theorem prover too weak. 41017 trivial. 0 not checked. [2018-04-12 04:13:44,533 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 68852 backedges. 27107 proven. 728 refuted. 0 times theorem prover too weak. 41017 trivial. 0 not checked. [2018-04-12 04:13:46,264 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:46,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58] total 86 [2018-04-12 04:13:46,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-04-12 04:13:46,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-04-12 04:13:46,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=6355, Unknown=0, NotChecked=0, Total=7310 [2018-04-12 04:13:46,267 INFO L87 Difference]: Start difference. First operand 1416 states and 1422 transitions. Second operand 86 states. [2018-04-12 04:13:47,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:47,981 INFO L93 Difference]: Finished difference Result 1619 states and 1629 transitions. [2018-04-12 04:13:48,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-04-12 04:13:48,017 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 1373 [2018-04-12 04:13:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:48,021 INFO L225 Difference]: With dead ends: 1619 [2018-04-12 04:13:48,021 INFO L226 Difference]: Without dead ends: 1426 [2018-04-12 04:13:48,022 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2813 GetRequests, 2633 SyntacticMatches, 29 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9216 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3814, Invalid=19442, Unknown=0, NotChecked=0, Total=23256 [2018-04-12 04:13:48,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-04-12 04:13:48,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1416. [2018-04-12 04:13:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2018-04-12 04:13:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1420 transitions. [2018-04-12 04:13:48,050 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1420 transitions. Word has length 1373 [2018-04-12 04:13:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:48,051 INFO L459 AbstractCegarLoop]: Abstraction has 1416 states and 1420 transitions. [2018-04-12 04:13:48,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-04-12 04:13:48,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1420 transitions. [2018-04-12 04:13:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2018-04-12 04:13:48,061 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:48,061 INFO L355 BasicCegarLoop]: trace histogram [135, 121, 120, 120, 120, 120, 120, 120, 120, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:48,061 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1651878366, now seen corresponding path program 28 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:48,067 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:48,278 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 69954 backedges. 15998 proven. 966 refuted. 0 times theorem prover too weak. 52990 trivial. 0 not checked. [2018-04-12 04:13:49,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 69954 backedges. 15998 proven. 966 refuted. 0 times theorem prover too weak. 52990 trivial. 0 not checked. [2018-04-12 04:13:51,692 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:51,693 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64] total 95 [2018-04-12 04:13:51,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-04-12 04:13:51,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-04-12 04:13:51,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1120, Invalid=7810, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 04:13:51,694 INFO L87 Difference]: Start difference. First operand 1416 states and 1420 transitions. Second operand 95 states. [2018-04-12 04:13:54,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:54,460 INFO L93 Difference]: Finished difference Result 1758 states and 1769 transitions. [2018-04-12 04:13:54,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-04-12 04:13:54,461 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 1382 [2018-04-12 04:13:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:54,464 INFO L225 Difference]: With dead ends: 1758 [2018-04-12 04:13:54,465 INFO L226 Difference]: Without dead ends: 1579 [2018-04-12 04:13:54,466 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2837 GetRequests, 2639 SyntacticMatches, 31 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7552 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4556, Invalid=23836, Unknown=0, NotChecked=0, Total=28392 [2018-04-12 04:13:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2018-04-12 04:13:54,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1563. [2018-04-12 04:13:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2018-04-12 04:13:54,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1568 transitions. [2018-04-12 04:13:54,497 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1568 transitions. Word has length 1382 [2018-04-12 04:13:54,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:54,498 INFO L459 AbstractCegarLoop]: Abstraction has 1563 states and 1568 transitions. [2018-04-12 04:13:54,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-04-12 04:13:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1568 transitions. [2018-04-12 04:13:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1393 [2018-04-12 04:13:54,507 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:54,508 INFO L355 BasicCegarLoop]: trace histogram [134, 119, 119, 119, 119, 119, 119, 119, 119, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:54,508 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:54,508 INFO L82 PathProgramCache]: Analyzing trace with hash 442490731, now seen corresponding path program 7 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:54,513 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:13:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:13:54,733 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:13:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 68889 backedges. 15024 proven. 847 refuted. 0 times theorem prover too weak. 53018 trivial. 0 not checked. [2018-04-12 04:13:56,294 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:13:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 68889 backedges. 15024 proven. 847 refuted. 0 times theorem prover too weak. 53018 trivial. 0 not checked. [2018-04-12 04:13:58,160 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:13:58,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 92 [2018-04-12 04:13:58,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-04-12 04:13:58,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-04-12 04:13:58,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=7289, Unknown=0, NotChecked=0, Total=8372 [2018-04-12 04:13:58,162 INFO L87 Difference]: Start difference. First operand 1563 states and 1568 transitions. Second operand 92 states. [2018-04-12 04:13:59,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:13:59,943 INFO L93 Difference]: Finished difference Result 1762 states and 1770 transitions. [2018-04-12 04:13:59,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-04-12 04:13:59,943 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 1392 [2018-04-12 04:13:59,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:13:59,947 INFO L225 Difference]: With dead ends: 1762 [2018-04-12 04:13:59,947 INFO L226 Difference]: Without dead ends: 1577 [2018-04-12 04:13:59,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2856 GetRequests, 2663 SyntacticMatches, 31 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10660 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=4364, Invalid=22368, Unknown=0, NotChecked=0, Total=26732 [2018-04-12 04:13:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2018-04-12 04:13:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1563. [2018-04-12 04:13:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1563 states. [2018-04-12 04:13:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 1566 transitions. [2018-04-12 04:13:59,982 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 1566 transitions. Word has length 1392 [2018-04-12 04:13:59,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:13:59,982 INFO L459 AbstractCegarLoop]: Abstraction has 1563 states and 1566 transitions. [2018-04-12 04:13:59,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-04-12 04:13:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1566 transitions. [2018-04-12 04:13:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1402 [2018-04-12 04:13:59,992 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:13:59,992 INFO L355 BasicCegarLoop]: trace histogram [135, 120, 120, 120, 120, 120, 120, 120, 120, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:13:59,992 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:13:59,993 INFO L82 PathProgramCache]: Analyzing trace with hash 898626242, now seen corresponding path program 8 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:13:59,998 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:00,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 69990 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 68910 trivial. 0 not checked. [2018-04-12 04:14:00,996 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 69990 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 68910 trivial. 0 not checked. [2018-04-12 04:14:02,140 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:02,141 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2018-04-12 04:14:02,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-12 04:14:02,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-12 04:14:02,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=2976, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 04:14:02,142 INFO L87 Difference]: Start difference. First operand 1563 states and 1566 transitions. Second operand 64 states. [2018-04-12 04:14:03,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:03,591 INFO L93 Difference]: Finished difference Result 1757 states and 1792 transitions. [2018-04-12 04:14:03,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-12 04:14:03,592 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 1401 [2018-04-12 04:14:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:03,597 INFO L225 Difference]: With dead ends: 1757 [2018-04-12 04:14:03,597 INFO L226 Difference]: Without dead ends: 1737 [2018-04-12 04:14:03,599 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2861 GetRequests, 2739 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3257 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=4867, Invalid=10385, Unknown=0, NotChecked=0, Total=15252 [2018-04-12 04:14:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2018-04-12 04:14:03,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1721. [2018-04-12 04:14:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2018-04-12 04:14:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 1739 transitions. [2018-04-12 04:14:03,646 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 1739 transitions. Word has length 1401 [2018-04-12 04:14:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:03,647 INFO L459 AbstractCegarLoop]: Abstraction has 1721 states and 1739 transitions. [2018-04-12 04:14:03,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-12 04:14:03,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1739 transitions. [2018-04-12 04:14:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1538 [2018-04-12 04:14:03,662 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:03,663 INFO L355 BasicCegarLoop]: trace histogram [151, 136, 135, 135, 135, 135, 135, 135, 135, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:03,663 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:03,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1294061052, now seen corresponding path program 29 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:03,671 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:03,921 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 88125 backedges. 17040 proven. 990 refuted. 0 times theorem prover too weak. 70095 trivial. 0 not checked. [2018-04-12 04:14:04,877 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 88125 backedges. 17040 proven. 990 refuted. 0 times theorem prover too weak. 70095 trivial. 0 not checked. [2018-04-12 04:14:06,653 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:06,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2018-04-12 04:14:06,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-12 04:14:06,655 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-12 04:14:06,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=3426, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 04:14:06,655 INFO L87 Difference]: Start difference. First operand 1721 states and 1739 transitions. Second operand 64 states. [2018-04-12 04:14:11,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:11,473 INFO L93 Difference]: Finished difference Result 1934 states and 2223 transitions. [2018-04-12 04:14:11,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-12 04:14:11,473 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 1537 [2018-04-12 04:14:11,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:11,478 INFO L225 Difference]: With dead ends: 1934 [2018-04-12 04:14:11,478 INFO L226 Difference]: Without dead ends: 1933 [2018-04-12 04:14:11,479 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3149 GetRequests, 3027 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2010 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=3518, Invalid=11734, Unknown=0, NotChecked=0, Total=15252 [2018-04-12 04:14:11,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2018-04-12 04:14:11,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1864. [2018-04-12 04:14:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1864 states. [2018-04-12 04:14:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 1913 transitions. [2018-04-12 04:14:11,543 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 1913 transitions. Word has length 1537 [2018-04-12 04:14:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:11,544 INFO L459 AbstractCegarLoop]: Abstraction has 1864 states and 1913 transitions. [2018-04-12 04:14:11,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-12 04:14:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 1913 transitions. [2018-04-12 04:14:11,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1539 [2018-04-12 04:14:11,555 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:11,555 INFO L355 BasicCegarLoop]: trace histogram [151, 136, 136, 135, 135, 135, 135, 135, 135, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:11,556 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:11,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1461186724, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:11,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:11,804 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:11,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-12 04:14:11,812 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 04:14:11,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 04:14:11,821 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 04:14:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 88260 backedges. 17235 proven. 1005 refuted. 0 times theorem prover too weak. 70020 trivial. 0 not checked. [2018-04-12 04:14:15,468 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 88260 backedges. 17235 proven. 1005 refuted. 0 times theorem prover too weak. 70020 trivial. 0 not checked. [2018-04-12 04:14:17,889 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:17,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 70 [2018-04-12 04:14:17,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-12 04:14:17,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-12 04:14:17,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=719, Invalid=4251, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 04:14:17,891 INFO L87 Difference]: Start difference. First operand 1864 states and 1913 transitions. Second operand 71 states. [2018-04-12 04:14:20,761 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 126 DAG size of output 27 [2018-04-12 04:14:21,000 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 122 DAG size of output 26 [2018-04-12 04:14:25,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:25,598 INFO L93 Difference]: Finished difference Result 1917 states and 2206 transitions. [2018-04-12 04:14:25,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-12 04:14:25,599 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 1538 [2018-04-12 04:14:25,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:25,607 INFO L225 Difference]: With dead ends: 1917 [2018-04-12 04:14:25,607 INFO L226 Difference]: Without dead ends: 1916 [2018-04-12 04:14:25,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3139 GetRequests, 2978 SyntacticMatches, 29 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3430 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=4094, Invalid=13728, Unknown=0, NotChecked=0, Total=17822 [2018-04-12 04:14:25,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2018-04-12 04:14:25,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1865. [2018-04-12 04:14:25,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2018-04-12 04:14:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 1899 transitions. [2018-04-12 04:14:25,692 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 1899 transitions. Word has length 1538 [2018-04-12 04:14:25,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:25,694 INFO L459 AbstractCegarLoop]: Abstraction has 1865 states and 1899 transitions. [2018-04-12 04:14:25,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-12 04:14:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 1899 transitions. [2018-04-12 04:14:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1682 [2018-04-12 04:14:25,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:25,716 INFO L355 BasicCegarLoop]: trace histogram [167, 152, 151, 151, 151, 151, 151, 151, 151, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:25,716 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:25,717 INFO L82 PathProgramCache]: Analyzing trace with hash -2092043004, now seen corresponding path program 30 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:25,723 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:26,036 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 109173 backedges. 38193 proven. 1110 refuted. 0 times theorem prover too weak. 69870 trivial. 0 not checked. [2018-04-12 04:14:28,496 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 109173 backedges. 38193 proven. 1110 refuted. 0 times theorem prover too weak. 69870 trivial. 0 not checked. [2018-04-12 04:14:30,857 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:30,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 101 [2018-04-12 04:14:30,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-04-12 04:14:30,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-04-12 04:14:30,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1258, Invalid=8842, Unknown=0, NotChecked=0, Total=10100 [2018-04-12 04:14:30,860 INFO L87 Difference]: Start difference. First operand 1865 states and 1899 transitions. Second operand 101 states. [2018-04-12 04:14:33,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:33,973 INFO L93 Difference]: Finished difference Result 2501 states and 2570 transitions. [2018-04-12 04:14:33,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-04-12 04:14:33,973 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 1681 [2018-04-12 04:14:33,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:33,978 INFO L225 Difference]: With dead ends: 2501 [2018-04-12 04:14:33,978 INFO L226 Difference]: Without dead ends: 2030 [2018-04-12 04:14:33,983 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3440 GetRequests, 3229 SyntacticMatches, 33 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8616 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=5147, Invalid=27073, Unknown=0, NotChecked=0, Total=32220 [2018-04-12 04:14:33,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2018-04-12 04:14:34,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2019. [2018-04-12 04:14:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2018-04-12 04:14:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2053 transitions. [2018-04-12 04:14:34,058 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2053 transitions. Word has length 1681 [2018-04-12 04:14:34,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:34,060 INFO L459 AbstractCegarLoop]: Abstraction has 2019 states and 2053 transitions. [2018-04-12 04:14:34,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-04-12 04:14:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2053 transitions. [2018-04-12 04:14:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1837 [2018-04-12 04:14:34,084 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:34,085 INFO L355 BasicCegarLoop]: trace histogram [183, 167, 166, 166, 166, 166, 166, 166, 166, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:34,085 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:34,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1438592738, now seen corresponding path program 31 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:34,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:34,428 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 131641 backedges. 57448 proven. 975 refuted. 0 times theorem prover too weak. 73218 trivial. 0 not checked. [2018-04-12 04:14:36,617 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 131641 backedges. 57448 proven. 975 refuted. 0 times theorem prover too weak. 73218 trivial. 0 not checked. [2018-04-12 04:14:39,080 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:39,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 98 [2018-04-12 04:14:39,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-04-12 04:14:39,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-04-12 04:14:39,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1219, Invalid=8287, Unknown=0, NotChecked=0, Total=9506 [2018-04-12 04:14:39,099 INFO L87 Difference]: Start difference. First operand 2019 states and 2053 transitions. Second operand 98 states. [2018-04-12 04:14:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:41,028 INFO L93 Difference]: Finished difference Result 2506 states and 2586 transitions. [2018-04-12 04:14:41,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-12 04:14:41,028 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 1836 [2018-04-12 04:14:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:41,032 INFO L225 Difference]: With dead ends: 2506 [2018-04-12 04:14:41,033 INFO L226 Difference]: Without dead ends: 2029 [2018-04-12 04:14:41,037 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3749 GetRequests, 3543 SyntacticMatches, 33 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12209 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=4951, Invalid=25499, Unknown=0, NotChecked=0, Total=30450 [2018-04-12 04:14:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2018-04-12 04:14:41,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2019. [2018-04-12 04:14:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2018-04-12 04:14:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 2051 transitions. [2018-04-12 04:14:41,086 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 2051 transitions. Word has length 1836 [2018-04-12 04:14:41,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:41,087 INFO L459 AbstractCegarLoop]: Abstraction has 2019 states and 2051 transitions. [2018-04-12 04:14:41,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-04-12 04:14:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2051 transitions. [2018-04-12 04:14:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1846 [2018-04-12 04:14:41,109 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:41,109 INFO L355 BasicCegarLoop]: trace histogram [184, 168, 167, 167, 167, 167, 167, 167, 167, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:41,109 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:41,110 INFO L82 PathProgramCache]: Analyzing trace with hash -328275533, now seen corresponding path program 32 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:41,117 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:41,442 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 133170 backedges. 42901 proven. 1264 refuted. 0 times theorem prover too weak. 89005 trivial. 0 not checked. [2018-04-12 04:14:43,685 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 133170 backedges. 42901 proven. 1264 refuted. 0 times theorem prover too weak. 89005 trivial. 0 not checked. [2018-04-12 04:14:46,191 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:46,192 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72] total 107 [2018-04-12 04:14:46,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-04-12 04:14:46,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-04-12 04:14:46,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1404, Invalid=9938, Unknown=0, NotChecked=0, Total=11342 [2018-04-12 04:14:46,194 INFO L87 Difference]: Start difference. First operand 2019 states and 2051 transitions. Second operand 107 states. [2018-04-12 04:14:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:49,680 INFO L93 Difference]: Finished difference Result 2654 states and 2719 transitions. [2018-04-12 04:14:49,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-04-12 04:14:49,681 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 1845 [2018-04-12 04:14:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:49,685 INFO L225 Difference]: With dead ends: 2654 [2018-04-12 04:14:49,685 INFO L226 Difference]: Without dead ends: 2193 [2018-04-12 04:14:49,690 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3773 GetRequests, 3549 SyntacticMatches, 35 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9750 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=5774, Invalid=30516, Unknown=0, NotChecked=0, Total=36290 [2018-04-12 04:14:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2193 states. [2018-04-12 04:14:49,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2193 to 2182. [2018-04-12 04:14:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2182 states. [2018-04-12 04:14:49,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2214 transitions. [2018-04-12 04:14:49,738 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2214 transitions. Word has length 1845 [2018-04-12 04:14:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:49,738 INFO L459 AbstractCegarLoop]: Abstraction has 2182 states and 2214 transitions. [2018-04-12 04:14:49,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-04-12 04:14:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2214 transitions. [2018-04-12 04:14:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2010 [2018-04-12 04:14:49,758 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:49,759 INFO L355 BasicCegarLoop]: trace histogram [201, 184, 183, 183, 183, 183, 183, 183, 183, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:49,759 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:49,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1453489438, now seen corresponding path program 33 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:49,765 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:50,111 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:14:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 159555 backedges. 65961 proven. 1112 refuted. 0 times theorem prover too weak. 92482 trivial. 0 not checked. [2018-04-12 04:14:52,544 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:14:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 159555 backedges. 65961 proven. 1112 refuted. 0 times theorem prover too weak. 92482 trivial. 0 not checked. [2018-04-12 04:14:55,381 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:14:55,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70] total 104 [2018-04-12 04:14:55,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-04-12 04:14:55,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-04-12 04:14:55,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1363, Invalid=9349, Unknown=0, NotChecked=0, Total=10712 [2018-04-12 04:14:55,384 INFO L87 Difference]: Start difference. First operand 2182 states and 2214 transitions. Second operand 104 states. [2018-04-12 04:14:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:14:57,559 INFO L93 Difference]: Finished difference Result 2659 states and 2734 transitions. [2018-04-12 04:14:57,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-04-12 04:14:57,560 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 2009 [2018-04-12 04:14:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:14:57,565 INFO L225 Difference]: With dead ends: 2659 [2018-04-12 04:14:57,565 INFO L226 Difference]: Without dead ends: 2192 [2018-04-12 04:14:57,570 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4100 GetRequests, 3881 SyntacticMatches, 35 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13863 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5575, Invalid=28835, Unknown=0, NotChecked=0, Total=34410 [2018-04-12 04:14:57,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2192 states. [2018-04-12 04:14:57,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2192 to 2182. [2018-04-12 04:14:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2182 states. [2018-04-12 04:14:57,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2212 transitions. [2018-04-12 04:14:57,630 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2212 transitions. Word has length 2009 [2018-04-12 04:14:57,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:14:57,631 INFO L459 AbstractCegarLoop]: Abstraction has 2182 states and 2212 transitions. [2018-04-12 04:14:57,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-04-12 04:14:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2212 transitions. [2018-04-12 04:14:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2019 [2018-04-12 04:14:57,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:14:57,652 INFO L355 BasicCegarLoop]: trace histogram [202, 185, 184, 184, 184, 184, 184, 184, 184, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:14:57,652 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:14:57,652 INFO L82 PathProgramCache]: Analyzing trace with hash -62655377, now seen corresponding path program 34 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:14:57,682 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:14:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:14:58,036 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 161239 backedges. 47882 proven. 1428 refuted. 0 times theorem prover too weak. 111929 trivial. 0 not checked. [2018-04-12 04:15:00,602 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:03,560 INFO L134 CoverageAnalysis]: Checked inductivity of 161239 backedges. 47882 proven. 1428 refuted. 0 times theorem prover too weak. 111929 trivial. 0 not checked. [2018-04-12 04:15:03,583 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:03,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76] total 113 [2018-04-12 04:15:03,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-04-12 04:15:03,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-04-12 04:15:03,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1558, Invalid=11098, Unknown=0, NotChecked=0, Total=12656 [2018-04-12 04:15:03,586 INFO L87 Difference]: Start difference. First operand 2182 states and 2212 transitions. Second operand 113 states. [2018-04-12 04:15:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:15:07,304 INFO L93 Difference]: Finished difference Result 2816 states and 2877 transitions. [2018-04-12 04:15:07,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-04-12 04:15:07,304 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 2018 [2018-04-12 04:15:07,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:15:07,308 INFO L225 Difference]: With dead ends: 2816 [2018-04-12 04:15:07,308 INFO L226 Difference]: Without dead ends: 2365 [2018-04-12 04:15:07,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4124 GetRequests, 3887 SyntacticMatches, 37 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10954 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=6437, Invalid=34165, Unknown=0, NotChecked=0, Total=40602 [2018-04-12 04:15:07,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2365 states. [2018-04-12 04:15:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2365 to 2354. [2018-04-12 04:15:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2354 states. [2018-04-12 04:15:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 2384 transitions. [2018-04-12 04:15:07,365 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 2384 transitions. Word has length 2018 [2018-04-12 04:15:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:15:07,366 INFO L459 AbstractCegarLoop]: Abstraction has 2354 states and 2384 transitions. [2018-04-12 04:15:07,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-04-12 04:15:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2384 transitions. [2018-04-12 04:15:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2192 [2018-04-12 04:15:07,388 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:15:07,388 INFO L355 BasicCegarLoop]: trace histogram [220, 202, 201, 201, 201, 201, 201, 201, 201, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:15:07,389 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:15:07,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1229788365, now seen corresponding path program 35 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:15:07,395 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:15:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:15:07,816 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 191997 backedges. 75213 proven. 1258 refuted. 0 times theorem prover too weak. 115526 trivial. 0 not checked. [2018-04-12 04:15:10,557 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:13,714 INFO L134 CoverageAnalysis]: Checked inductivity of 191997 backedges. 75213 proven. 1258 refuted. 0 times theorem prover too weak. 115526 trivial. 0 not checked. [2018-04-12 04:15:13,735 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:13,736 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74] total 110 [2018-04-12 04:15:13,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-04-12 04:15:13,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-04-12 04:15:13,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1515, Invalid=10475, Unknown=0, NotChecked=0, Total=11990 [2018-04-12 04:15:13,738 INFO L87 Difference]: Start difference. First operand 2354 states and 2384 transitions. Second operand 110 states. [2018-04-12 04:15:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:15:16,368 INFO L93 Difference]: Finished difference Result 2821 states and 2891 transitions. [2018-04-12 04:15:16,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-04-12 04:15:16,368 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 2191 [2018-04-12 04:15:16,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:15:16,374 INFO L225 Difference]: With dead ends: 2821 [2018-04-12 04:15:16,374 INFO L226 Difference]: Without dead ends: 2364 [2018-04-12 04:15:16,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4469 GetRequests, 4237 SyntacticMatches, 37 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15622 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=6236, Invalid=32376, Unknown=0, NotChecked=0, Total=38612 [2018-04-12 04:15:16,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2018-04-12 04:15:16,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2354. [2018-04-12 04:15:16,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2354 states. [2018-04-12 04:15:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 2382 transitions. [2018-04-12 04:15:16,432 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 2382 transitions. Word has length 2191 [2018-04-12 04:15:16,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:15:16,433 INFO L459 AbstractCegarLoop]: Abstraction has 2354 states and 2382 transitions. [2018-04-12 04:15:16,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-04-12 04:15:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2382 transitions. [2018-04-12 04:15:16,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2201 [2018-04-12 04:15:16,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:15:16,456 INFO L355 BasicCegarLoop]: trace histogram [221, 203, 202, 202, 202, 202, 202, 202, 202, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:15:16,456 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:15:16,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1069569854, now seen corresponding path program 36 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:15:16,464 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:15:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:15:16,853 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 193845 backedges. 53136 proven. 1602 refuted. 0 times theorem prover too weak. 139107 trivial. 0 not checked. [2018-04-12 04:15:19,844 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 193845 backedges. 53136 proven. 1602 refuted. 0 times theorem prover too weak. 139107 trivial. 0 not checked. [2018-04-12 04:15:23,099 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:23,121 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 80] total 119 [2018-04-12 04:15:23,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-04-12 04:15:23,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-04-12 04:15:23,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1720, Invalid=12322, Unknown=0, NotChecked=0, Total=14042 [2018-04-12 04:15:23,124 INFO L87 Difference]: Start difference. First operand 2354 states and 2382 transitions. Second operand 119 states. [2018-04-12 04:15:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:15:27,449 INFO L93 Difference]: Finished difference Result 2987 states and 3044 transitions. [2018-04-12 04:15:27,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-04-12 04:15:27,449 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 2200 [2018-04-12 04:15:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:15:27,453 INFO L225 Difference]: With dead ends: 2987 [2018-04-12 04:15:27,454 INFO L226 Difference]: Without dead ends: 2546 [2018-04-12 04:15:27,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4493 GetRequests, 4243 SyntacticMatches, 39 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12228 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=7136, Invalid=38020, Unknown=0, NotChecked=0, Total=45156 [2018-04-12 04:15:27,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2018-04-12 04:15:27,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2535. [2018-04-12 04:15:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2535 states. [2018-04-12 04:15:27,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 2563 transitions. [2018-04-12 04:15:27,516 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 2563 transitions. Word has length 2200 [2018-04-12 04:15:27,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:15:27,518 INFO L459 AbstractCegarLoop]: Abstraction has 2535 states and 2563 transitions. [2018-04-12 04:15:27,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-04-12 04:15:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2563 transitions. [2018-04-12 04:15:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2383 [2018-04-12 04:15:27,545 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:15:27,545 INFO L355 BasicCegarLoop]: trace histogram [240, 221, 220, 220, 220, 220, 220, 220, 220, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:15:27,545 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:15:27,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1806186701, now seen corresponding path program 37 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:15:27,552 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:15:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:15:27,912 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 229459 backedges. 85231 proven. 1413 refuted. 0 times theorem prover too weak. 142815 trivial. 0 not checked. [2018-04-12 04:15:31,152 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 229459 backedges. 85231 proven. 1413 refuted. 0 times theorem prover too weak. 142815 trivial. 0 not checked. [2018-04-12 04:15:34,756 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:34,757 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78] total 116 [2018-04-12 04:15:34,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-04-12 04:15:34,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-04-12 04:15:34,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=11665, Unknown=0, NotChecked=0, Total=13340 [2018-04-12 04:15:34,759 INFO L87 Difference]: Start difference. First operand 2535 states and 2563 transitions. Second operand 116 states. [2018-04-12 04:15:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:15:37,305 INFO L93 Difference]: Finished difference Result 2992 states and 3057 transitions. [2018-04-12 04:15:37,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-04-12 04:15:37,306 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 2382 [2018-04-12 04:15:37,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:15:37,309 INFO L225 Difference]: With dead ends: 2992 [2018-04-12 04:15:37,309 INFO L226 Difference]: Without dead ends: 2545 [2018-04-12 04:15:37,313 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4856 GetRequests, 4611 SyntacticMatches, 39 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17486 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=6934, Invalid=36122, Unknown=0, NotChecked=0, Total=43056 [2018-04-12 04:15:37,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2018-04-12 04:15:37,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2535. [2018-04-12 04:15:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2535 states. [2018-04-12 04:15:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 2561 transitions. [2018-04-12 04:15:37,366 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 2561 transitions. Word has length 2382 [2018-04-12 04:15:37,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:15:37,367 INFO L459 AbstractCegarLoop]: Abstraction has 2535 states and 2561 transitions. [2018-04-12 04:15:37,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-04-12 04:15:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2561 transitions. [2018-04-12 04:15:37,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2392 [2018-04-12 04:15:37,393 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:15:37,394 INFO L355 BasicCegarLoop]: trace histogram [241, 222, 221, 221, 221, 221, 221, 221, 221, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:15:37,394 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:15:37,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1503639268, now seen corresponding path program 38 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:15:37,401 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:15:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:15:37,775 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 231480 backedges. 58663 proven. 1786 refuted. 0 times theorem prover too weak. 171031 trivial. 0 not checked. [2018-04-12 04:15:41,189 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:44,932 INFO L134 CoverageAnalysis]: Checked inductivity of 231480 backedges. 58663 proven. 1786 refuted. 0 times theorem prover too weak. 171031 trivial. 0 not checked. [2018-04-12 04:15:44,954 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:44,955 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 84] total 125 [2018-04-12 04:15:44,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-04-12 04:15:44,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-04-12 04:15:44,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=13610, Unknown=0, NotChecked=0, Total=15500 [2018-04-12 04:15:44,957 INFO L87 Difference]: Start difference. First operand 2535 states and 2561 transitions. Second operand 125 states. [2018-04-12 04:15:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:15:49,646 INFO L93 Difference]: Finished difference Result 3167 states and 3220 transitions. [2018-04-12 04:15:49,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-04-12 04:15:49,647 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 2391 [2018-04-12 04:15:49,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:15:49,650 INFO L225 Difference]: With dead ends: 3167 [2018-04-12 04:15:49,650 INFO L226 Difference]: Without dead ends: 2736 [2018-04-12 04:15:49,654 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4880 GetRequests, 4617 SyntacticMatches, 41 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13572 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=7871, Invalid=42081, Unknown=0, NotChecked=0, Total=49952 [2018-04-12 04:15:49,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2018-04-12 04:15:49,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2725. [2018-04-12 04:15:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2725 states. [2018-04-12 04:15:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 2751 transitions. [2018-04-12 04:15:49,709 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 2751 transitions. Word has length 2391 [2018-04-12 04:15:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:15:49,710 INFO L459 AbstractCegarLoop]: Abstraction has 2725 states and 2751 transitions. [2018-04-12 04:15:49,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-04-12 04:15:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 2751 transitions. [2018-04-12 04:15:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2583 [2018-04-12 04:15:49,739 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:15:49,740 INFO L355 BasicCegarLoop]: trace histogram [261, 241, 240, 240, 240, 240, 240, 240, 240, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:15:49,740 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:15:49,741 INFO L82 PathProgramCache]: Analyzing trace with hash -588948866, now seen corresponding path program 39 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:15:49,746 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:15:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:15:50,147 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:15:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 272460 backedges. 96042 proven. 1577 refuted. 0 times theorem prover too weak. 174841 trivial. 0 not checked. [2018-04-12 04:15:53,705 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-12 04:15:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 272460 backedges. 96042 proven. 1577 refuted. 0 times theorem prover too weak. 174841 trivial. 0 not checked. [2018-04-12 04:15:57,743 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:15:57,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82] total 122 [2018-04-12 04:15:57,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-04-12 04:15:57,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-04-12 04:15:57,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1843, Invalid=12919, Unknown=0, NotChecked=0, Total=14762 [2018-04-12 04:15:57,747 INFO L87 Difference]: Start difference. First operand 2725 states and 2751 transitions. Second operand 122 states. [2018-04-12 04:16:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 04:16:00,338 INFO L93 Difference]: Finished difference Result 3172 states and 3232 transitions. [2018-04-12 04:16:00,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-04-12 04:16:00,338 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 2582 [2018-04-12 04:16:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 04:16:00,341 INFO L225 Difference]: With dead ends: 3172 [2018-04-12 04:16:00,341 INFO L226 Difference]: Without dead ends: 2735 [2018-04-12 04:16:00,346 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5261 GetRequests, 5003 SyntacticMatches, 41 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19455 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=7669, Invalid=40073, Unknown=0, NotChecked=0, Total=47742 [2018-04-12 04:16:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2018-04-12 04:16:00,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2725. [2018-04-12 04:16:00,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2725 states. [2018-04-12 04:16:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 2749 transitions. [2018-04-12 04:16:00,401 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 2749 transitions. Word has length 2582 [2018-04-12 04:16:00,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 04:16:00,402 INFO L459 AbstractCegarLoop]: Abstraction has 2725 states and 2749 transitions. [2018-04-12 04:16:00,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-04-12 04:16:00,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 2749 transitions. [2018-04-12 04:16:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2592 [2018-04-12 04:16:00,431 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 04:16:00,432 INFO L355 BasicCegarLoop]: trace histogram [262, 242, 241, 241, 241, 241, 241, 241, 241, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 04:16:00,432 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX]=== [2018-04-12 04:16:00,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1532947539, now seen corresponding path program 40 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 04:16:00,438 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 04:16:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 04:16:00,826 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 04:16:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 274663 backedges. 64463 proven. 1980 refuted. 0 times theorem prover too weak. 208220 trivial. 0 not checked. [2018-04-12 04:16:04,592 INFO L314 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2018-04-12 04:16:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 274663 backedges. 64463 proven. 1980 refuted. 0 times theorem prover too weak. 208220 trivial. 0 not checked. [2018-04-12 04:16:08,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 04:16:08,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 88] total 131 [2018-04-12 04:16:08,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-04-12 04:16:08,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-04-12 04:16:08,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2068, Invalid=14962, Unknown=0, NotChecked=0, Total=17030 [2018-04-12 04:16:08,688 INFO L87 Difference]: Start difference. First operand 2725 states and 2749 transitions. Second operand 131 states. [2018-04-12 04:16:08,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 04:16:08,689 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-12 04:16:08,827 WARN L197 ceAbstractionStarter]: Timeout [2018-04-12 04:16:08,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 04:16:08 BasicIcfg [2018-04-12 04:16:08,827 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 04:16:08,828 INFO L168 Benchmark]: Toolchain (without parser) took 220204.46 ms. Allocated memory was 305.7 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 248.7 MB in the beginning and 444.8 MB in the end (delta: -196.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,828 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 305.7 MB. Free memory is still 267.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 04:16:08,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.70 ms. Allocated memory is still 305.7 MB. Free memory was 248.7 MB in the beginning and 238.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,829 INFO L168 Benchmark]: Boogie Preprocessor took 34.08 ms. Allocated memory is still 305.7 MB. Free memory was 238.5 MB in the beginning and 236.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,829 INFO L168 Benchmark]: RCFGBuilder took 315.96 ms. Allocated memory was 305.7 MB in the beginning and 467.1 MB in the end (delta: 161.5 MB). Free memory was 236.5 MB in the beginning and 432.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,829 INFO L168 Benchmark]: IcfgTransformer took 3345.30 ms. Allocated memory was 467.1 MB in the beginning and 526.4 MB in the end (delta: 59.2 MB). Free memory was 432.7 MB in the beginning and 393.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 98.6 MB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,829 INFO L168 Benchmark]: TraceAbstraction took 216283.38 ms. Allocated memory was 526.4 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 393.4 MB in the beginning and 444.8 MB in the end (delta: -51.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. [2018-04-12 04:16:08,831 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 305.7 MB. Free memory is still 267.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 219.70 ms. Allocated memory is still 305.7 MB. Free memory was 248.7 MB in the beginning and 238.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.08 ms. Allocated memory is still 305.7 MB. Free memory was 238.5 MB in the beginning and 236.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 315.96 ms. Allocated memory was 305.7 MB in the beginning and 467.1 MB in the end (delta: 161.5 MB). Free memory was 236.5 MB in the beginning and 432.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * IcfgTransformer took 3345.30 ms. Allocated memory was 467.1 MB in the beginning and 526.4 MB in the end (delta: 59.2 MB). Free memory was 432.7 MB in the beginning and 393.4 MB in the end (delta: 39.3 MB). Peak memory consumption was 98.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 216283.38 ms. Allocated memory was 526.4 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 393.4 MB in the beginning and 444.8 MB in the end (delta: -51.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 60 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 391 LocStat_NO_SUPPORTING_DISEQUALITIES : 108 LocStat_NO_DISJUNCTIONS : -120 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 74 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 56 TransStat_NO_SUPPORTING_DISEQUALITIES : 7 TransStat_NO_DISJUNCTIONS : 75 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 818.21 RENAME_VARIABLES(MILLISECONDS) : 124.14 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 812.20 PROJECTAWAY(MILLISECONDS) : 586.16 ADD_WEAK_EQUALITY(MILLISECONDS) : 5.76 DISJOIN(MILLISECONDS) : 40.88 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 135.91 ADD_EQUALITY(MILLISECONDS) : 9.08 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.21 #CONJOIN_DISJUNCTIVE : 201 #RENAME_VARIABLES : 424 #UNFREEZE : 0 #CONJOIN : 261 #PROJECTAWAY : 305 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 35 #RENAME_VARIABLES_DISJUNCTIVE : 420 #ADD_EQUALITY : 56 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 1709.44 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 807.68 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 5.65 JOIN(MILLISECONDS) : 38.11 RENAMEVARS(MILLISECONDS) : 117.64 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 1286.05 ISLABELSTRONGERTHAN(MILLISECONDS) : 116.52 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 18.38 UNFREEZE(MILLISECONDS) : 24.39 REPORTCONTAINS(MILLISECONDS) : 0.32 PROJECTAWAY(MILLISECONDS) : 529.23 MEETEDGELABELS(MILLISECONDS) : 96.06 REPORTEQUALITY(MILLISECONDS) : 192.39 ADDALLNODES(MILLISECONDS) : 140.17 REPORTDISEQUALITY(MILLISECONDS) : 1.94 WEQGRAPHJOIN(MILLISECONDS) : 17.73 #FREEZE : 1338 #ADDNODE : 0 #MEET : 166 #FILTERREDUNDANT : 0 #REPORTWEQ : 7 #JOIN : 35 #RENAMEVARS : 424 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 367 #ISLABELSTRONGERTHAN : 3293 #ISWEQGRAPHSTRONGERTHAN : 109 #UNFREEZE : 954 #REPORTCONTAINS : 9 #PROJECTAWAY : 364 #MEETEDGELABELS : 594 #REPORTEQUALITY : 1149 #ADDALLNODES : 166 #REPORTDISEQUALITY : 308 #WEQGRAPHJOIN : 35 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 509.97 REPORT_EQUALITY(MILLISECONDS) : 143.11 FILTERREDUNDANT(MILLISECONDS) : 962.75 ADD_ALL_ELEMENTS(MILLISECONDS) : 308.44 JOIN(MILLISECONDS) : 15.59 ALIGN_ELEMENTS(MILLISECONDS) : 493.32 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 52.17 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 1543.91 REPORTCONTAINS(MILLISECONDS) : 6.30 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 666.06 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 217.16 #ADDNODE : 0 #MEET : 1991 #REPORT_EQUALITY : 11600 #FILTERREDUNDANT : 10058 #ADD_ALL_ELEMENTS : 8365 #JOIN : 35 #ALIGN_ELEMENTS : 3095 #COPY : 0 #REPORT_DISEQUALITY : 4991 #UNFREEZE : 0 #OVERALL : 54907 #REPORTCONTAINS : 278 #IS_STRONGER_THAN_NO_CACHING : 12396 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 2098 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 1 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 30). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 23). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 27). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 18). Cancelled while BasicCegarLoop was constructing difference of abstraction (2725states) and interpolant automaton (currently 2 states, 131 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 6 error locations. TIMEOUT Result, 216.2s OverallTime, 59 OverallIterations, 262 TraceHistogramMax, 82.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5187 SDtfs, 37374 SDslu, 72493 SDs, 0 SdLazy, 70473 SolverSat, 8195 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100641 GetRequests, 94204 SyntacticMatches, 976 SemanticMatches, 5461 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250148 ImplicationChecksByTransitivity, 106.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2725occurred in iteration=57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 58 MinimizatonAttempts, 835 StatesRemovedByMinimization, 57 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.3s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 121.5s InterpolantComputationTime, 49145 NumberOfCodeBlocks, 49145 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 98172 ConstructedInterpolants, 1655 QuantifiedInterpolants, 272619618 SizeOfPredicates, 1948 NumberOfNonLiveVariables, 89233 ConjunctsInSsa, 2221 ConjunctsInUnsatCore, 118 InterpolantComputations, 15 PerfectInterpolantSequences, 5859710/5916970 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-12_04-16-08-844.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_04-16-08-844.csv Completed graceful shutdown