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_false-valid-deref-read.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-10 02:51:49,709 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 02:51:49,711 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 02:51:49,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 02:51:49,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 02:51:49,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 02:51:49,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 02:51:49,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 02:51:49,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 02:51:49,738 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 02:51:49,739 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 02:51:49,739 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 02:51:49,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 02:51:49,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 02:51:49,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 02:51:49,745 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 02:51:49,747 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 02:51:49,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 02:51:49,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 02:51:49,751 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 02:51:49,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-10 02:51:49,754 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-10 02:51:49,754 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-10 02:51:49,755 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-10 02:51:49,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-10 02:51:49,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-10 02:51:49,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-10 02:51:49,758 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-10 02:51:49,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-10 02:51:49,759 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 02:51:49,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 02:51:49,760 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 [2018-04-10 02:51:49,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 02:51:49,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 02:51:49,785 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-10 02:51:49,785 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-10 02:51:49,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-10 02:51:49,786 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-10 02:51:49,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-10 02:51:49,787 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-10 02:51:49,787 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-10 02:51:49,787 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-10 02:51:49,787 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-10 02:51:49,787 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-10 02:51:49,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 02:51:49,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 02:51:49,788 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 02:51:49,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 02:51:49,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 02:51:49,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 02:51:49,789 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 02:51:49,789 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-10 02:51:49,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 02:51:49,789 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 02:51:49,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 02:51:49,790 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-10 02:51:49,790 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-10 02:51:49,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 02:51:49,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 02:51:49,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:51:49,791 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-10 02:51:49,792 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-10 02:51:49,792 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-10 02:51:49,792 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-10 02:51:49,793 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-10 02:51:49,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 02:51:49,842 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 02:51:49,845 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 02:51:49,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 02:51:49,847 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 02:51:49,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c [2018-04-10 02:51:50,171 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf5794dfb0 [2018-04-10 02:51:50,310 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 02:51:50,310 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 02:51:50,311 INFO L168 CDTParser]: Scanning ArraysWithLenghtAtDeclaration_false-valid-deref-read.c [2018-04-10 02:51:50,312 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 02:51:50,312 INFO L215 ultiparseSymbolTable]: [2018-04-10 02:51:50,312 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 02:51:50,312 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo ('foo') in ArraysWithLenghtAtDeclaration_false-valid-deref-read.c [2018-04-10 02:51:50,313 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysWithLenghtAtDeclaration_false-valid-deref-read.c [2018-04-10 02:51:50,313 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 02:51:50,313 INFO L233 ultiparseSymbolTable]: [2018-04-10 02:51:50,332 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf5794dfb0 [2018-04-10 02:51:50,338 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 02:51:50,341 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-10 02:51:50,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 02:51:50,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 02:51:50,349 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 02:51:50,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151b3fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50, skipping insertion in model container [2018-04-10 02:51:50,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,373 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 02:51:50,386 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 02:51:50,556 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 02:51:50,589 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 02:51:50,595 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-10 02:51:50,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50 WrapperNode [2018-04-10 02:51:50,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 02:51:50,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 02:51:50,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 02:51:50,609 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 02:51:50,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 02:51:50,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 02:51:50,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 02:51:50,648 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 02:51:50,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (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 [2018-04-10 02:51:50,705 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 02:51:50,706 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 02:51:50,706 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo [2018-04-10 02:51:50,706 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 02:51:50,706 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo [2018-04-10 02:51:50,706 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 02:51:50,706 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 02:51:50,707 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 02:51:50,976 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 02:51:50,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:51:50 BoogieIcfgContainer [2018-04-10 02:51:50,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 02:51:50,977 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-10 02:51:50,977 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-10 02:51:50,977 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-10 02:51:50,980 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:51:50" (1/1) ... [2018-04-10 02:51:50,989 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-10 02:51:50,989 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-04-10 02:51:51,004 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-10 02:51:51,014 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-10 02:51:51,015 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write) [2018-04-10 02:51:51,030 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-10 02:51:51,034 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-10 02:51:51,034 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: [2018-04-10 02:51:51,036 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: [2018-04-10 02:51:51,089 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-10 02:51:53,369 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. [2018-04-10 02:51:53,372 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-10 02:51:53,380 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 1 [2018-04-10 02:51:53,381 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-10 02:51:53,381 INFO L435 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-04-10 02:51:53,381 INFO L437 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-10 02:51:53,385 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_30 [2018-04-10 02:51:53,385 DEBUG L374 HeapPartitionManager]: with contents [NoStoreIndexInfo] [2018-04-10 02:51:53,386 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_30 [2018-04-10 02:51:53,386 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-10 02:51:53,386 DEBUG L325 HeapPartitionManager]: write locations: [NoStoreIndexInfo] [2018-04-10 02:51:53,386 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_30 [2018-04-10 02:51:53,386 DEBUG L374 HeapPartitionManager]: with contents [NoStoreIndexInfo] [2018-04-10 02:51:53,387 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_30 [2018-04-10 02:51:53,387 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L18')) [2018-04-10 02:51:53,387 DEBUG L325 HeapPartitionManager]: write locations: [NoStoreIndexInfo] [2018-04-10 02:51:53,387 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-10 02:51:53,387 INFO L335 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-04-10 02:51:53,388 INFO L344 HeapPartitionManager]: at dimension 0 [2018-04-10 02:51:53,388 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-04-10 02:51:53,388 INFO L346 HeapPartitionManager]: # location blocks :1 [2018-04-10 02:51:53,388 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-10 02:51:53,389 DEBUG L356 HeapPartitionManager]: [NoStoreIndexInfo] [2018-04-10 02:51:53,389 INFO L344 HeapPartitionManager]: at dimension 1 [2018-04-10 02:51:53,389 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1 [2018-04-10 02:51:53,389 INFO L346 HeapPartitionManager]: # location blocks :1 [2018-04-10 02:51:53,389 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-10 02:51:53,389 DEBUG L356 HeapPartitionManager]: [NoStoreIndexInfo] [2018-04-10 02:51:53,391 INFO L134 ransitionTransformer]: executing heap partitioning transformation [2018-04-10 02:51:53,395 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,396 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,396 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,396 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,397 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,397 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,397 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,397 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,398 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,398 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] [2018-04-10 02:51:53,398 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,399 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,399 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,400 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,400 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,400 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,400 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,400 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,401 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,401 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,401 DEBUG L356 ransitionTransformer]: {main_~i~1=v_main_~i~1_8} [2018-04-10 02:51:53,401 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,401 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,402 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,402 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,402 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] [2018-04-10 02:51:53,402 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,402 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,403 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,403 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,403 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,403 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,403 DEBUG L356 ransitionTransformer]: {main_~b~0=v_main_~b~0_3} [2018-04-10 02:51:53,404 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,404 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,404 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,404 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,404 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,404 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,405 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,405 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,405 DEBUG L331 ransitionTransformer]: Formula: (and (= 0 (select |v_#valid_16| |v_main_~#mask~0.base_5|)) (= |v_#length_5| (store |v_#length_6| |v_main_~#mask~0.base_5| 32)) (= 0 |v_main_~#mask~0.offset_5|) (not (= 0 |v_main_~#mask~0.base_5|)) (= |v_#valid_15| (store |v_#valid_16| |v_main_~#mask~0.base_5| 1))) InVars {#length=|v_#length_6|, #valid=|v_#valid_16|} OutVars{#length=|v_#length_5|, main_~#mask~0.base=|v_main_~#mask~0.base_5|, main_~#mask~0.offset=|v_main_~#mask~0.offset_5|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[main_~#mask~0.base, main_~#mask~0.offset, #valid, #length] [2018-04-10 02:51:53,405 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,406 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,406 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,406 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_9 0) InVars {} OutVars{main_~i~1=v_main_~i~1_9} AuxVars[] AssignedVars[main_~i~1] [2018-04-10 02:51:53,406 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,406 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,407 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,407 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,407 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,407 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,407 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,408 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,408 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,408 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,408 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,408 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_10 32)) InVars {main_~i~1=v_main_~i~1_10} OutVars{main_~i~1=v_main_~i~1_10} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,409 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,409 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,409 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,409 DEBUG L331 ransitionTransformer]: Formula: (< 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[] [2018-04-10 02:51:53,409 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,409 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,410 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,410 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_17 0) InVars {} OutVars{main_~i~1=v_main_~i~1_17} AuxVars[] AssignedVars[main_~i~1] [2018-04-10 02:51:53,410 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,410 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,411 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,411 DEBUG L331 ransitionTransformer]: Formula: (or (not (< v_main_~i~1_12 32)) (not (<= 0 v_main_~i~1_12))) InVars {main_~i~1=v_main_~i~1_12} OutVars{main_~i~1=v_main_~i~1_12} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,411 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,411 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,411 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,412 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,412 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,412 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,412 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,412 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,413 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,413 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,413 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,413 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,413 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,413 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,414 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,414 DEBUG L331 ransitionTransformer]: Formula: (and (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offsetInParam_1| |v_main_~#mask~0.offset_7|) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~sizeInParam_1| v_main_~i~1_18) (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.baseInParam_1| |v_main_~#mask~0.base_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_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~sizeInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offsetInParam_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} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset] [2018-04-10 02:51:53,414 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,415 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,415 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~sizeInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offsetInParam_1|} [2018-04-10 02:51:53,415 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,415 DEBUG L358 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~sizeInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offsetInParam_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} [2018-04-10 02:51:53,415 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,416 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,416 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_1 32)) InVars {main_~i~1=v_main_~i~1_1} OutVars{main_~i~1=v_main_~i~1_1} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,416 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,416 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,417 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,417 DEBUG L331 ransitionTransformer]: Formula: (< v_main_~i~1_2 32) InVars {main_~i~1=v_main_~i~1_2} OutVars{main_~i~1=v_main_~i~1_2} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,417 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,417 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,417 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,418 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_2| 0) InVars {} OutVars{main_#res=|v_main_#res_2|} AuxVars[] AssignedVars[main_#res] [2018-04-10 02:51:53,418 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,418 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,418 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,419 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[] [2018-04-10 02:51:53,419 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,419 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,419 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,419 DEBUG L331 ransitionTransformer]: Formula: (and (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base_1|) (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset_1|)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_1, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_1, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.offset_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~b.base_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset] [2018-04-10 02:51:53,420 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,420 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,420 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,420 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= 0 v_main_~i~1_3)) (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[] [2018-04-10 02:51:53,420 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,420 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,421 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,421 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,421 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,421 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,421 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,422 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_11| (store |v_#valid_12| |v_main_~#mask~0.base_3| 0)) InVars {main_~#mask~0.base=|v_main_~#mask~0.base_3|, #valid=|v_#valid_12|} OutVars{main_~#mask~0.base=|v_main_~#mask~0.base_3|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:51:53,422 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,422 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,422 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,422 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~b~0_4 (store v_main_~b~0_5 v_main_~i~1_14 |v_main_#t~ret3_3|)) InVars {main_~i~1=v_main_~i~1_14, main_~b~0=v_main_~b~0_5, main_#t~ret3=|v_main_#t~ret3_3|} OutVars{main_~i~1=v_main_~i~1_14, main_~b~0=v_main_~b~0_4, main_#t~ret3=|v_main_#t~ret3_3|} AuxVars[] AssignedVars[main_~b~0] [2018-04-10 02:51:53,423 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,423 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,423 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,423 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_1 |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size_1|) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#in~size_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_1} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size] [2018-04-10 02:51:53,423 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,424 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,424 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,424 DEBUG L331 ransitionTransformer]: Formula: (not (= (+ v_main_~i~1_4 1) (select v_main_~b~0_1 v_main_~i~1_4))) InVars {main_~b~0=v_main_~b~0_1, main_~i~1=v_main_~i~1_4} OutVars{main_~b~0=v_main_~b~0_1, main_~i~1=v_main_~i~1_4} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,424 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,424 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,425 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,425 DEBUG L331 ransitionTransformer]: Formula: (= (select v_main_~b~0_2 v_main_~i~1_5) (+ v_main_~i~1_5 1)) InVars {main_~b~0=v_main_~b~0_2, main_~i~1=v_main_~i~1_5} OutVars{main_~b~0=v_main_~b~0_2, main_~i~1=v_main_~i~1_5} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,425 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,425 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,425 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,426 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,426 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,426 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,426 DEBUG L356 ransitionTransformer]: {main_~#mask~0.base=|v_main_~#mask~0.base_4|, main_~#mask~0.offset=|v_main_~#mask~0.offset_4|} [2018-04-10 02:51:53,426 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,426 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,427 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,427 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,427 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,427 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,427 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,427 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_4|} [2018-04-10 02:51:53,428 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,428 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,428 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,428 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,428 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,429 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,429 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,429 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0_1} [2018-04-10 02:51:53,429 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,429 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,429 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,430 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,430 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_1| 1) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-10 02:51:53,430 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,430 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,431 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,431 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post4_1| v_main_~i~1_6) InVars {main_~i~1=v_main_~i~1_6} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~i~1=v_main_~i~1_6} AuxVars[] AssignedVars[main_#t~post4] [2018-04-10 02:51:53,431 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,431 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,431 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,431 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[] [2018-04-10 02:51:53,432 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,432 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,432 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,432 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[] [2018-04-10 02:51:53,432 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,433 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,433 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,433 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post2_1| v_main_~i~1_15) InVars {main_~i~1=v_main_~i~1_15} OutVars{main_~i~1=v_main_~i~1_15, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_#t~post2] [2018-04-10 02:51:53,433 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,433 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,434 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,434 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,434 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,434 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,434 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_1} [2018-04-10 02:51:53,434 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,434 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,435 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,435 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,435 DEBUG L331 ransitionTransformer]: Formula: (= (store |v_#valid_10| |v_main_~#mask~0.base_1| 0) |v_#valid_9|) InVars {main_~#mask~0.base=|v_main_~#mask~0.base_1|, #valid=|v_#valid_10|} OutVars{main_~#mask~0.base=|v_main_~#mask~0.base_1|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:51:53,435 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,436 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,436 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,436 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_7 (+ |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_7} AuxVars[] AssignedVars[main_~i~1] [2018-04-10 02:51:53,436 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,436 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,437 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,437 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_16 (+ |v_main_#t~post2_2| 1)) InVars {main_#t~post2=|v_main_#t~post2_2|} OutVars{main_~i~1=v_main_~i~1_16, main_#t~post2=|v_main_#t~post2_2|} AuxVars[] AssignedVars[main_~i~1] [2018-04-10 02:51:53,437 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,437 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,438 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,438 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_2 0) InVars {} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_2} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0] [2018-04-10 02:51:53,438 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,438 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,438 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,438 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,439 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,439 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,439 DEBUG L356 ransitionTransformer]: {main_~#mask~0.base=|v_main_~#mask~0.base_2|, main_~#mask~0.offset=|v_main_~#mask~0.offset_2|} [2018-04-10 02:51:53,439 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,439 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,439 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,440 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,440 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,440 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,440 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,440 DEBUG L356 ransitionTransformer]: {main_#t~post4=|v_main_#t~post4_3|} [2018-04-10 02:51:53,440 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,441 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,441 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,441 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,441 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,441 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,441 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,442 DEBUG L356 ransitionTransformer]: {main_#t~post2=|v_main_#t~post2_3|} [2018-04-10 02:51:53,442 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,442 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,442 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,442 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,442 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,442 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,443 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,443 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,443 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,443 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,443 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,444 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,444 DEBUG L331 ransitionTransformer]: Formula: (not (<= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_3 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_2 1))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_3} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_3} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,444 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,444 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,444 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,444 DEBUG L331 ransitionTransformer]: Formula: (<= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_4 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_3 1)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_3, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_4} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~size_3, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_4} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,445 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,445 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,445 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,445 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_11) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_11} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_11} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res] [2018-04-10 02:51:53,445 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,445 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,446 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,446 DEBUG L331 ransitionTransformer]: Formula: (or (not (< v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_5 33)) (not (<= 0 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_5))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_5} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_5} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,446 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,446 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,446 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,447 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,447 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,447 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,447 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,447 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,447 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,447 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,450 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,451 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6))) (and (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6 1) (select |v_#length_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2)) (= (select (select |v_#memory_int_part_locs_30_locs_30_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|) (<= 0 .cse0) (= (select |v_#valid_3| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) 1))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1] [2018-04-10 02:51:53,451 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:51:53,451 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:51:53,451 DEBUG L340 ransitionTransformer]: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6))) (and (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6 1) (select |v_#length_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2)) (= (select (select |v_#memory_int_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|) (<= 0 .cse0) (= (select |v_#valid_3| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) 1))) [2018-04-10 02:51:53,452 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:51:53,452 DEBUG L342 ransitionTransformer]: (let ((.cse0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6))) (and (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6 1) (select |v_#length_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2)) (= (select (select |v_#memory_int_part_locs_30_locs_30_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|) (<= 0 .cse0) (= (select |v_#valid_3| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2) 1))) [2018-04-10 02:51:53,452 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:51:53,452 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:51:53,452 DEBUG L348 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|} [2018-04-10 02:51:53,452 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:51:53,452 DEBUG L350 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|} [2018-04-10 02:51:53,453 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,453 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,453 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|} [2018-04-10 02:51:53,453 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,453 DEBUG L358 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_6, #valid=|v_#valid_3|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_2, #length=|v_#length_1|, #memory_int_part_locs_30_locs_30=|v_#memory_int_part_locs_30_locs_30_1|} [2018-04-10 02:51:53,453 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,454 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,454 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_4| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_3) 1)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_3, #valid=|v_#valid_4|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_3, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,454 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,454 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,455 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,455 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_7 1) (select |v_#length_2| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_4))) (not (<= 0 (+ v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_7)))) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_4, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_3, #length=|v_#length_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_7} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.base_4, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~b.offset_3, #length=|v_#length_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_7} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,455 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,455 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,456 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,456 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0_2 (store v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0_3 v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_8 |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_2|)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0_3, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_8} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0_2, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_2|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_8} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~a~0] [2018-04-10 02:51:53,456 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,456 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,456 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,457 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,457 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,457 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,457 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~mem1_3|} [2018-04-10 02:51:53,457 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,457 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,457 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,458 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,458 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_1| v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_9) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_9} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_1|, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_9} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0] [2018-04-10 02:51:53,458 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,458 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,459 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,459 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_10 (+ |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_2| 1)) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_2|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0=v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0_10, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_2|} AuxVars[] AssignedVars[__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_~i~0] [2018-04-10 02:51:53,459 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,459 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,459 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,460 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,460 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,460 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,460 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#t~post0_3|} [2018-04-10 02:51:53,460 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,460 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:51:53,460 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,461 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,461 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:51:53,461 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:51:53,461 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,461 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,462 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] [2018-04-10 02:51:53,462 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,462 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,462 DEBUG L356 ransitionTransformer]: {ULTIMATE.start_#t~ret5=|v_ULTIMATE.start_#t~ret5_2|} [2018-04-10 02:51:53,462 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,462 DEBUG L358 ransitionTransformer]: {ULTIMATE.start_#t~ret5=|v_ULTIMATE.start_#t~ret5_2|, main_#res=|v_main_#resOutParam_1|} [2018-04-10 02:51:53,462 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,463 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:51:53,463 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~ret3_5| |v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#resOutParam_1|) InVars {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#resOutParam_1|} OutVars{__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#resOutParam_1|, main_#t~ret3=|v_main_#t~ret3_5|} AuxVars[] AssignedVars[main_#t~ret3] [2018-04-10 02:51:53,463 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:51:53,463 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:51:53,463 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_5|} [2018-04-10 02:51:53,464 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:51:53,464 DEBUG L358 ransitionTransformer]: {__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#res=|v___U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__foo_#resOutParam_1|, main_#t~ret3=|v_main_#t~ret3_5|} [2018-04-10 02:51:53,464 DEBUG L360 ransitionTransformer]: [2018-04-10 02:51:53,464 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-10 02:51:53,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.04 02:51:53 BasicIcfg [2018-04-10 02:51:53,466 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-10 02:51:53,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 02:51:53,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 02:51:53,471 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 02:51:53,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 02:51:50" (1/4) ... [2018-04-10 02:51:53,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43adc198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:51:53, skipping insertion in model container [2018-04-10 02:51:53,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:51:50" (2/4) ... [2018-04-10 02:51:53,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43adc198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:51:53, skipping insertion in model container [2018-04-10 02:51:53,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:51:50" (3/4) ... [2018-04-10 02:51:53,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43adc198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 02:51:53, skipping insertion in model container [2018-04-10 02:51:53,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.04 02:51:53" (4/4) ... [2018-04-10 02:51:53,475 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-10 02:51:53,485 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 02:51:53,493 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-04-10 02:51:53,539 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 02:51:53,540 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 02:51:53,540 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-10 02:51:53,540 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 02:51:53,540 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 02:51:53,541 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 02:51:53,541 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 02:51:53,541 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 02:51:53,541 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 02:51:53,542 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 02:51:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-10 02:51:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-10 02:51:53,564 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:53,565 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:51:53,565 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:53,570 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 [2018-04-10 02:51:53,592 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:53,633 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:53,700 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:53,811 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:53,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-10 02:51:53,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 02:51:53,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 02:51:53,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-10 02:51:53,830 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2018-04-10 02:51:53,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:53,987 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2018-04-10 02:51:53,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-10 02:51:53,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-10 02:51:53,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:53,999 INFO L225 Difference]: With dead ends: 136 [2018-04-10 02:51:53,999 INFO L226 Difference]: Without dead ends: 80 [2018-04-10 02:51:54,005 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 [2018-04-10 02:51:54,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-10 02:51:54,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 64. [2018-04-10 02:51:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-10 02:51:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2018-04-10 02:51:54,058 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 13 [2018-04-10 02:51:54,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:54,058 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2018-04-10 02:51:54,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 02:51:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2018-04-10 02:51:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-10 02:51:54,059 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:54,059 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] [2018-04-10 02:51:54,059 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:54,059 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 [2018-04-10 02:51:54,068 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:54,087 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:54,122 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:54,205 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:54,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-04-10 02:51:54,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 02:51:54,207 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 02:51:54,207 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-10 02:51:54,207 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 4 states. [2018-04-10 02:51:54,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:54,305 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2018-04-10 02:51:54,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-10 02:51:54,306 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-04-10 02:51:54,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:54,309 INFO L225 Difference]: With dead ends: 78 [2018-04-10 02:51:54,310 INFO L226 Difference]: Without dead ends: 77 [2018-04-10 02:51:54,310 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 [2018-04-10 02:51:54,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-10 02:51:54,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 67. [2018-04-10 02:51:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-10 02:51:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-04-10 02:51:54,318 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 22 [2018-04-10 02:51:54,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:54,319 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-04-10 02:51:54,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 02:51:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-04-10 02:51:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 02:51:54,319 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:54,320 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] [2018-04-10 02:51:54,320 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:54,320 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 [2018-04-10 02:51:54,353 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:54,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:54,393 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 [2018-04-10 02:51:54,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:51:54,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:51:54,413 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 02:51:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:54,445 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:54,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:54,498 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:54,498 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-10 02:51:54,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 02:51:54,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 02:51:54,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 02:51:54,499 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 5 states. [2018-04-10 02:51:54,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:54,612 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2018-04-10 02:51:54,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 02:51:54,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-04-10 02:51:54,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:54,614 INFO L225 Difference]: With dead ends: 67 [2018-04-10 02:51:54,614 INFO L226 Difference]: Without dead ends: 66 [2018-04-10 02:51:54,614 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 [2018-04-10 02:51:54,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-10 02:51:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-10 02:51:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-10 02:51:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2018-04-10 02:51:54,621 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 23 [2018-04-10 02:51:54,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:54,622 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2018-04-10 02:51:54,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 02:51:54,622 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-04-10 02:51:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-10 02:51:54,622 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:54,623 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] [2018-04-10 02:51:54,623 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:54,623 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 [2018-04-10 02:51:54,636 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:54,653 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:54,664 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 [2018-04-10 02:51:54,664 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:51:54,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:51:54,736 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 02:51:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:54,907 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:55,189 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:55,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-10 02:51:55,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 02:51:55,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 02:51:55,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-10 02:51:55,190 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 10 states. [2018-04-10 02:51:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:55,405 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2018-04-10 02:51:55,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 02:51:55,406 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-10 02:51:55,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:55,407 INFO L225 Difference]: With dead ends: 75 [2018-04-10 02:51:55,407 INFO L226 Difference]: Without dead ends: 74 [2018-04-10 02:51:55,408 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-04-10 02:51:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-10 02:51:55,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 67. [2018-04-10 02:51:55,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-10 02:51:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-04-10 02:51:55,415 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2018-04-10 02:51:55,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:55,416 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-04-10 02:51:55,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 02:51:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-04-10 02:51:55,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-10 02:51:55,417 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:55,417 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] [2018-04-10 02:51:55,417 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:55,417 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 [2018-04-10 02:51:55,424 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:55,441 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:55,458 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:55,521 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:55,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-04-10 02:51:55,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 02:51:55,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 02:51:55,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-10 02:51:55,522 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 8 states. [2018-04-10 02:51:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:55,608 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2018-04-10 02:51:55,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 02:51:55,608 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-10 02:51:55,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:55,610 INFO L225 Difference]: With dead ends: 101 [2018-04-10 02:51:55,610 INFO L226 Difference]: Without dead ends: 100 [2018-04-10 02:51:55,610 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-04-10 02:51:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-10 02:51:55,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 84. [2018-04-10 02:51:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-10 02:51:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 91 transitions. [2018-04-10 02:51:55,619 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 91 transitions. Word has length 31 [2018-04-10 02:51:55,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:55,620 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 91 transitions. [2018-04-10 02:51:55,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 02:51:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2018-04-10 02:51:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-10 02:51:55,621 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:55,621 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] [2018-04-10 02:51:55,621 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:55,621 INFO L82 PathProgramCache]: Analyzing trace with hash 937474413, 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 [2018-04-10 02:51:55,630 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:55,645 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:55,657 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 [2018-04-10 02:51:55,658 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:51:55,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:51:55,663 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 02:51:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:55,733 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:55,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:55,848 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-04-10 02:51:55,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-10 02:51:55,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-10 02:51:55,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-04-10 02:51:55,848 INFO L87 Difference]: Start difference. First operand 84 states and 91 transitions. Second operand 14 states. [2018-04-10 02:51:56,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:56,159 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-04-10 02:51:56,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 02:51:56,160 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2018-04-10 02:51:56,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:56,161 INFO L225 Difference]: With dead ends: 98 [2018-04-10 02:51:56,161 INFO L226 Difference]: Without dead ends: 97 [2018-04-10 02:51:56,161 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2018-04-10 02:51:56,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-10 02:51:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 85. [2018-04-10 02:51:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-10 02:51:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions. [2018-04-10 02:51:56,168 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 32 [2018-04-10 02:51:56,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:56,168 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions. [2018-04-10 02:51:56,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-10 02:51:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2018-04-10 02:51:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-10 02:51:56,169 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:56,169 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] [2018-04-10 02:51:56,169 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:56,169 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 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 [2018-04-10 02:51:56,179 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:56,192 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:56,223 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:56,338 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:56,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-04-10 02:51:56,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 02:51:56,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 02:51:56,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-04-10 02:51:56,339 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 9 states. [2018-04-10 02:51:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:56,465 INFO L93 Difference]: Finished difference Result 174 states and 188 transitions. [2018-04-10 02:51:56,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 02:51:56,466 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 33 [2018-04-10 02:51:56,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:56,466 INFO L225 Difference]: With dead ends: 174 [2018-04-10 02:51:56,466 INFO L226 Difference]: Without dead ends: 102 [2018-04-10 02:51:56,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-04-10 02:51:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-04-10 02:51:56,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 89. [2018-04-10 02:51:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-10 02:51:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2018-04-10 02:51:56,475 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 33 [2018-04-10 02:51:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:56,476 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2018-04-10 02:51:56,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 02:51:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-04-10 02:51:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-10 02:51:56,477 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:56,478 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] [2018-04-10 02:51:56,478 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:56,478 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 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 [2018-04-10 02:51:56,484 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:56,502 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:56,538 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:51:56,663 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:56,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2018-04-10 02:51:56,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 02:51:56,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 02:51:56,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-04-10 02:51:56,664 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 12 states. [2018-04-10 02:51:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:56,800 INFO L93 Difference]: Finished difference Result 180 states and 194 transitions. [2018-04-10 02:51:56,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 02:51:56,800 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-04-10 02:51:56,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:56,801 INFO L225 Difference]: With dead ends: 180 [2018-04-10 02:51:56,801 INFO L226 Difference]: Without dead ends: 105 [2018-04-10 02:51:56,802 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 70 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-04-10 02:51:56,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-10 02:51:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 89. [2018-04-10 02:51:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-10 02:51:56,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2018-04-10 02:51:56,811 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 42 [2018-04-10 02:51:56,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:56,812 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2018-04-10 02:51:56,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 02:51:56,812 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-04-10 02:51:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-10 02:51:56,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:56,814 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-04-10 02:51:56,814 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:56,814 INFO L82 PathProgramCache]: Analyzing trace with hash 645199987, now seen corresponding path program 2 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 [2018-04-10 02:51:56,822 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:56,839 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-10 02:51:56,884 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-10 02:51:56,951 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:56,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 15 [2018-04-10 02:51:56,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 02:51:56,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 02:51:56,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-04-10 02:51:56,952 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 15 states. [2018-04-10 02:51:57,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:57,143 INFO L93 Difference]: Finished difference Result 211 states and 225 transitions. [2018-04-10 02:51:57,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 02:51:57,143 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-04-10 02:51:57,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:57,144 INFO L225 Difference]: With dead ends: 211 [2018-04-10 02:51:57,144 INFO L226 Difference]: Without dead ends: 130 [2018-04-10 02:51:57,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2018-04-10 02:51:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-04-10 02:51:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 114. [2018-04-10 02:51:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-04-10 02:51:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 120 transitions. [2018-04-10 02:51:57,155 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 120 transitions. Word has length 49 [2018-04-10 02:51:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:57,155 INFO L459 AbstractCegarLoop]: Abstraction has 114 states and 120 transitions. [2018-04-10 02:51:57,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 02:51:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2018-04-10 02:51:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 02:51:57,157 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:57,157 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:51:57,157 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:57,157 INFO L82 PathProgramCache]: Analyzing trace with hash 2131954809, now seen corresponding path program 2 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 [2018-04-10 02:51:57,173 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:57,191 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:57,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:57,208 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:57,253 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:51:57,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-10 02:51:57,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 02:51:57,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 02:51:57,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-04-10 02:51:57,254 INFO L87 Difference]: Start difference. First operand 114 states and 120 transitions. Second operand 9 states. [2018-04-10 02:51:57,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:57,398 INFO L93 Difference]: Finished difference Result 129 states and 134 transitions. [2018-04-10 02:51:57,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-10 02:51:57,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-04-10 02:51:57,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:57,400 INFO L225 Difference]: With dead ends: 129 [2018-04-10 02:51:57,400 INFO L226 Difference]: Without dead ends: 128 [2018-04-10 02:51:57,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2018-04-10 02:51:57,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-10 02:51:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2018-04-10 02:51:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-10 02:51:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 119 transitions. [2018-04-10 02:51:57,411 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 119 transitions. Word has length 51 [2018-04-10 02:51:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:57,411 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 119 transitions. [2018-04-10 02:51:57,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 02:51:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2018-04-10 02:51:57,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-10 02:51:57,417 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:57,417 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:51:57,417 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:57,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2093893696, now seen corresponding path program 1 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 [2018-04-10 02:51:57,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:57,466 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:57,538 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:57,599 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:57,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-04-10 02:51:57,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-10 02:51:57,600 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-10 02:51:57,600 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-10 02:51:57,600 INFO L87 Difference]: Start difference. First operand 113 states and 119 transitions. Second operand 8 states. [2018-04-10 02:51:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:57,683 INFO L93 Difference]: Finished difference Result 167 states and 177 transitions. [2018-04-10 02:51:57,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 02:51:57,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-04-10 02:51:57,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:57,688 INFO L225 Difference]: With dead ends: 167 [2018-04-10 02:51:57,688 INFO L226 Difference]: Without dead ends: 147 [2018-04-10 02:51:57,689 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-04-10 02:51:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-10 02:51:57,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 131. [2018-04-10 02:51:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-10 02:51:57,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 138 transitions. [2018-04-10 02:51:57,713 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 138 transitions. Word has length 59 [2018-04-10 02:51:57,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:57,714 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 138 transitions. [2018-04-10 02:51:57,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-10 02:51:57,714 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2018-04-10 02:51:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-10 02:51:57,719 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:57,719 INFO L355 BasicCegarLoop]: trace histogram [7, 6, 5, 5, 5, 5, 5, 5, 5, 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] [2018-04-10 02:51:57,719 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:57,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1028363326, now seen corresponding path program 1 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 [2018-04-10 02:51:57,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:57,768 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 109 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:57,883 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 109 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-04-10 02:51:58,000 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:58,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 21 [2018-04-10 02:51:58,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 02:51:58,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 02:51:58,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-04-10 02:51:58,002 INFO L87 Difference]: Start difference. First operand 131 states and 138 transitions. Second operand 21 states. [2018-04-10 02:51:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:58,319 INFO L93 Difference]: Finished difference Result 264 states and 281 transitions. [2018-04-10 02:51:58,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 02:51:58,319 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 87 [2018-04-10 02:51:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:58,320 INFO L225 Difference]: With dead ends: 264 [2018-04-10 02:51:58,321 INFO L226 Difference]: Without dead ends: 185 [2018-04-10 02:51:58,321 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 149 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 02:51:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-04-10 02:51:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 168. [2018-04-10 02:51:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-10 02:51:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 177 transitions. [2018-04-10 02:51:58,331 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 177 transitions. Word has length 87 [2018-04-10 02:51:58,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:58,331 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 177 transitions. [2018-04-10 02:51:58,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 02:51:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 177 transitions. [2018-04-10 02:51:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-04-10 02:51:58,333 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:58,333 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-04-10 02:51:58,333 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:58,334 INFO L82 PathProgramCache]: Analyzing trace with hash 953487774, now seen corresponding path program 2 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 [2018-04-10 02:51:58,344 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:58,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-04-10 02:51:58,411 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 40 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-04-10 02:51:58,531 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-10 02:51:58,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2018-04-10 02:51:58,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 02:51:58,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 02:51:58,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-04-10 02:51:58,532 INFO L87 Difference]: Start difference. First operand 168 states and 177 transitions. Second operand 13 states. [2018-04-10 02:51:58,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:58,651 INFO L93 Difference]: Finished difference Result 263 states and 277 transitions. [2018-04-10 02:51:58,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-10 02:51:58,652 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 99 [2018-04-10 02:51:58,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:58,654 INFO L225 Difference]: With dead ends: 263 [2018-04-10 02:51:58,654 INFO L226 Difference]: Without dead ends: 178 [2018-04-10 02:51:58,655 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 185 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-04-10 02:51:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-04-10 02:51:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 168. [2018-04-10 02:51:58,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-10 02:51:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 175 transitions. [2018-04-10 02:51:58,668 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 175 transitions. Word has length 99 [2018-04-10 02:51:58,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:58,669 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 175 transitions. [2018-04-10 02:51:58,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 02:51:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 175 transitions. [2018-04-10 02:51:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-04-10 02:51:58,670 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:58,678 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] [2018-04-10 02:51:58,678 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:58,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1291549120, now seen corresponding path program 2 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 [2018-04-10 02:51:58,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:58,723 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-04-10 02:51:58,776 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-04-10 02:51:58,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:58,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2018-04-10 02:51:58,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 02:51:58,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 02:51:58,924 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-04-10 02:51:58,924 INFO L87 Difference]: Start difference. First operand 168 states and 175 transitions. Second operand 16 states. [2018-04-10 02:51:59,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:59,102 INFO L93 Difference]: Finished difference Result 263 states and 274 transitions. [2018-04-10 02:51:59,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 02:51:59,102 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 116 [2018-04-10 02:51:59,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:59,103 INFO L225 Difference]: With dead ends: 263 [2018-04-10 02:51:59,103 INFO L226 Difference]: Without dead ends: 178 [2018-04-10 02:51:59,104 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 215 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2018-04-10 02:51:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-04-10 02:51:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 168. [2018-04-10 02:51:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-10 02:51:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 173 transitions. [2018-04-10 02:51:59,112 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 173 transitions. Word has length 116 [2018-04-10 02:51:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:59,112 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 173 transitions. [2018-04-10 02:51:59,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 02:51:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2018-04-10 02:51:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-04-10 02:51:59,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:59,113 INFO L355 BasicCegarLoop]: trace histogram [10, 8, 7, 7, 7, 7, 7, 7, 7, 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] [2018-04-10 02:51:59,113 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:59,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1374557231, 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 [2018-04-10 02:51:59,119 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:59,162 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 216 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-04-10 02:51:59,281 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:51:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 216 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-04-10 02:51:59,567 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:51:59,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2018-04-10 02:51:59,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 02:51:59,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 02:51:59,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-04-10 02:51:59,568 INFO L87 Difference]: Start difference. First operand 168 states and 173 transitions. Second operand 18 states. [2018-04-10 02:51:59,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:51:59,891 INFO L93 Difference]: Finished difference Result 267 states and 275 transitions. [2018-04-10 02:51:59,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 02:51:59,892 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 125 [2018-04-10 02:51:59,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:51:59,893 INFO L225 Difference]: With dead ends: 267 [2018-04-10 02:51:59,893 INFO L226 Difference]: Without dead ends: 182 [2018-04-10 02:51:59,893 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 229 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2018-04-10 02:51:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-10 02:51:59,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 168. [2018-04-10 02:51:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-04-10 02:51:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 171 transitions. [2018-04-10 02:51:59,902 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 171 transitions. Word has length 125 [2018-04-10 02:51:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:51:59,902 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 171 transitions. [2018-04-10 02:51:59,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 02:51:59,902 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 171 transitions. [2018-04-10 02:51:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-04-10 02:51:59,904 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:51:59,904 INFO L355 BasicCegarLoop]: trace histogram [11, 9, 8, 8, 8, 8, 8, 8, 8, 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] [2018-04-10 02:51:59,904 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:51:59,905 INFO L82 PathProgramCache]: Analyzing trace with hash 685717856, 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 [2018-04-10 02:51:59,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:51:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:51:59,942 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:51:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 166 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-04-10 02:51:59,980 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 166 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-04-10 02:52:00,091 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:00,091 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2018-04-10 02:52:00,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 02:52:00,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 02:52:00,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2018-04-10 02:52:00,092 INFO L87 Difference]: Start difference. First operand 168 states and 171 transitions. Second operand 16 states. [2018-04-10 02:52:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:00,354 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2018-04-10 02:52:00,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 02:52:00,355 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 134 [2018-04-10 02:52:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:00,356 INFO L225 Difference]: With dead ends: 225 [2018-04-10 02:52:00,356 INFO L226 Difference]: Without dead ends: 224 [2018-04-10 02:52:00,357 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2018-04-10 02:52:00,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-04-10 02:52:00,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 203. [2018-04-10 02:52:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-04-10 02:52:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 213 transitions. [2018-04-10 02:52:00,366 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 213 transitions. Word has length 134 [2018-04-10 02:52:00,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:00,366 INFO L459 AbstractCegarLoop]: Abstraction has 203 states and 213 transitions. [2018-04-10 02:52:00,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 02:52:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 213 transitions. [2018-04-10 02:52:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-04-10 02:52:00,367 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:00,367 INFO L355 BasicCegarLoop]: trace histogram [11, 9, 9, 8, 8, 8, 8, 8, 8, 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] [2018-04-10 02:52:00,368 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:00,368 INFO L82 PathProgramCache]: Analyzing trace with hash -217582720, now seen corresponding path program 1 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 [2018-04-10 02:52:00,381 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:00,414 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:00,430 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 [2018-04-10 02:52:00,431 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:52:00,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:52:00,455 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 02:52:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 181 proven. 39 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-04-10 02:52:00,658 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 181 proven. 39 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-04-10 02:52:00,978 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:00,978 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22 [2018-04-10 02:52:00,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-10 02:52:00,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-10 02:52:00,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2018-04-10 02:52:00,979 INFO L87 Difference]: Start difference. First operand 203 states and 213 transitions. Second operand 23 states. [2018-04-10 02:52:01,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:01,569 INFO L93 Difference]: Finished difference Result 220 states and 230 transitions. [2018-04-10 02:52:01,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-10 02:52:01,570 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 135 [2018-04-10 02:52:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:01,571 INFO L225 Difference]: With dead ends: 220 [2018-04-10 02:52:01,571 INFO L226 Difference]: Without dead ends: 219 [2018-04-10 02:52:01,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 246 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=362, Invalid=1044, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 02:52:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-04-10 02:52:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 204. [2018-04-10 02:52:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-10 02:52:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 211 transitions. [2018-04-10 02:52:01,580 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 211 transitions. Word has length 135 [2018-04-10 02:52:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:01,581 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 211 transitions. [2018-04-10 02:52:01,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-10 02:52:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 211 transitions. [2018-04-10 02:52:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-04-10 02:52:01,583 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:01,583 INFO L355 BasicCegarLoop]: trace histogram [11, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2018-04-10 02:52:01,583 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:01,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1552621568, now seen corresponding path program 3 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 [2018-04-10 02:52:01,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:01,627 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 209 proven. 33 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-04-10 02:52:01,739 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:01,960 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 209 proven. 33 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-04-10 02:52:01,982 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:01,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 24 [2018-04-10 02:52:01,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-10 02:52:01,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-10 02:52:01,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2018-04-10 02:52:01,983 INFO L87 Difference]: Start difference. First operand 204 states and 211 transitions. Second operand 24 states. [2018-04-10 02:52:02,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:02,318 INFO L93 Difference]: Finished difference Result 324 states and 337 transitions. [2018-04-10 02:52:02,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 02:52:02,318 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 153 [2018-04-10 02:52:02,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:02,319 INFO L225 Difference]: With dead ends: 324 [2018-04-10 02:52:02,319 INFO L226 Difference]: Without dead ends: 214 [2018-04-10 02:52:02,320 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 277 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2018-04-10 02:52:02,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-04-10 02:52:02,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 204. [2018-04-10 02:52:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-04-10 02:52:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 210 transitions. [2018-04-10 02:52:02,328 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 210 transitions. Word has length 153 [2018-04-10 02:52:02,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:02,329 INFO L459 AbstractCegarLoop]: Abstraction has 204 states and 210 transitions. [2018-04-10 02:52:02,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-10 02:52:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 210 transitions. [2018-04-10 02:52:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-04-10 02:52:02,330 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:02,330 INFO L355 BasicCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2018-04-10 02:52:02,330 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:02,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1121569229, now seen corresponding path program 4 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 [2018-04-10 02:52:02,345 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:02,392 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:02,488 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-04-10 02:52:02,489 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-04-10 02:52:02,624 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:02,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-04-10 02:52:02,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 02:52:02,625 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 02:52:02,625 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2018-04-10 02:52:02,625 INFO L87 Difference]: Start difference. First operand 204 states and 210 transitions. Second operand 16 states. [2018-04-10 02:52:02,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:02,963 INFO L93 Difference]: Finished difference Result 280 states and 295 transitions. [2018-04-10 02:52:02,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 02:52:02,963 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 162 [2018-04-10 02:52:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:02,964 INFO L225 Difference]: With dead ends: 280 [2018-04-10 02:52:02,964 INFO L226 Difference]: Without dead ends: 260 [2018-04-10 02:52:02,965 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=497, Unknown=0, NotChecked=0, Total=756 [2018-04-10 02:52:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-10 02:52:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 244. [2018-04-10 02:52:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-04-10 02:52:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 254 transitions. [2018-04-10 02:52:02,974 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 254 transitions. Word has length 162 [2018-04-10 02:52:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:02,985 INFO L459 AbstractCegarLoop]: Abstraction has 244 states and 254 transitions. [2018-04-10 02:52:02,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 02:52:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 254 transitions. [2018-04-10 02:52:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-04-10 02:52:02,986 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:02,986 INFO L355 BasicCegarLoop]: trace histogram [15, 13, 12, 12, 12, 12, 12, 12, 12, 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] [2018-04-10 02:52:02,986 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:02,986 INFO L82 PathProgramCache]: Analyzing trace with hash -703218656, now seen corresponding path program 5 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 [2018-04-10 02:52:02,996 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:03,040 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 552 proven. 18 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-04-10 02:52:03,197 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 552 proven. 18 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-04-10 02:52:03,381 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:03,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 27 [2018-04-10 02:52:03,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-10 02:52:03,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-10 02:52:03,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2018-04-10 02:52:03,382 INFO L87 Difference]: Start difference. First operand 244 states and 254 transitions. Second operand 27 states. [2018-04-10 02:52:03,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:03,741 INFO L93 Difference]: Finished difference Result 443 states and 463 transitions. [2018-04-10 02:52:03,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-10 02:52:03,741 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 170 [2018-04-10 02:52:03,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:03,742 INFO L225 Difference]: With dead ends: 443 [2018-04-10 02:52:03,743 INFO L226 Difference]: Without dead ends: 298 [2018-04-10 02:52:03,743 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 307 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=376, Invalid=1430, Unknown=0, NotChecked=0, Total=1806 [2018-04-10 02:52:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-10 02:52:03,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 290. [2018-04-10 02:52:03,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-04-10 02:52:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 299 transitions. [2018-04-10 02:52:03,753 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 299 transitions. Word has length 170 [2018-04-10 02:52:03,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:03,753 INFO L459 AbstractCegarLoop]: Abstraction has 290 states and 299 transitions. [2018-04-10 02:52:03,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-10 02:52:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 299 transitions. [2018-04-10 02:52:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-04-10 02:52:03,754 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:03,754 INFO L355 BasicCegarLoop]: trace histogram [20, 17, 16, 16, 16, 16, 16, 16, 16, 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] [2018-04-10 02:52:03,754 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:03,754 INFO L82 PathProgramCache]: Analyzing trace with hash 533335951, now seen corresponding path program 6 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 [2018-04-10 02:52:03,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:03,808 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 856 proven. 42 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-04-10 02:52:04,020 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 856 proven. 42 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-04-10 02:52:04,292 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:04,292 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 33 [2018-04-10 02:52:04,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-10 02:52:04,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-10 02:52:04,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-04-10 02:52:04,294 INFO L87 Difference]: Start difference. First operand 290 states and 299 transitions. Second operand 33 states. [2018-04-10 02:52:04,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:04,916 INFO L93 Difference]: Finished difference Result 491 states and 510 transitions. [2018-04-10 02:52:04,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-10 02:52:04,916 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 226 [2018-04-10 02:52:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:04,918 INFO L225 Difference]: With dead ends: 491 [2018-04-10 02:52:04,918 INFO L226 Difference]: Without dead ends: 356 [2018-04-10 02:52:04,920 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 411 SyntacticMatches, 9 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=559, Invalid=2303, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 02:52:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-04-10 02:52:04,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 345. [2018-04-10 02:52:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-04-10 02:52:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 354 transitions. [2018-04-10 02:52:04,934 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 354 transitions. Word has length 226 [2018-04-10 02:52:04,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:04,935 INFO L459 AbstractCegarLoop]: Abstraction has 345 states and 354 transitions. [2018-04-10 02:52:04,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-10 02:52:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 354 transitions. [2018-04-10 02:52:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-04-10 02:52:04,937 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:04,937 INFO L355 BasicCegarLoop]: trace histogram [25, 21, 20, 20, 20, 20, 20, 20, 20, 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] [2018-04-10 02:52:04,938 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:04,938 INFO L82 PathProgramCache]: Analyzing trace with hash 127486462, now seen corresponding path program 7 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 [2018-04-10 02:52:04,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:05,060 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2094 backedges. 1408 proven. 62 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2018-04-10 02:52:05,466 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2094 backedges. 1408 proven. 62 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2018-04-10 02:52:05,743 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:05,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 30 [2018-04-10 02:52:05,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-10 02:52:05,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-10 02:52:05,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2018-04-10 02:52:05,744 INFO L87 Difference]: Start difference. First operand 345 states and 354 transitions. Second operand 30 states. [2018-04-10 02:52:06,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:06,157 INFO L93 Difference]: Finished difference Result 496 states and 514 transitions. [2018-04-10 02:52:06,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-10 02:52:06,157 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 282 [2018-04-10 02:52:06,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:06,159 INFO L225 Difference]: With dead ends: 496 [2018-04-10 02:52:06,159 INFO L226 Difference]: Without dead ends: 355 [2018-04-10 02:52:06,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 527 SyntacticMatches, 9 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=450, Invalid=1902, Unknown=0, NotChecked=0, Total=2352 [2018-04-10 02:52:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-04-10 02:52:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 345. [2018-04-10 02:52:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-04-10 02:52:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 352 transitions. [2018-04-10 02:52:06,172 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 352 transitions. Word has length 282 [2018-04-10 02:52:06,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:06,173 INFO L459 AbstractCegarLoop]: Abstraction has 345 states and 352 transitions. [2018-04-10 02:52:06,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-10 02:52:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 352 transitions. [2018-04-10 02:52:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-04-10 02:52:06,175 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:06,175 INFO L355 BasicCegarLoop]: trace histogram [26, 22, 21, 21, 21, 21, 21, 21, 21, 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] [2018-04-10 02:52:06,176 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:06,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1331374381, now seen corresponding path program 8 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 [2018-04-10 02:52:06,181 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:06,236 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 1217 proven. 76 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2018-04-10 02:52:06,763 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2285 backedges. 1217 proven. 76 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2018-04-10 02:52:07,145 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:07,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 39 [2018-04-10 02:52:07,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 02:52:07,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 02:52:07,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1257, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 02:52:07,146 INFO L87 Difference]: Start difference. First operand 345 states and 352 transitions. Second operand 39 states. [2018-04-10 02:52:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:07,818 INFO L93 Difference]: Finished difference Result 545 states and 560 transitions. [2018-04-10 02:52:07,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 02:52:07,818 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 291 [2018-04-10 02:52:07,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:07,821 INFO L225 Difference]: With dead ends: 545 [2018-04-10 02:52:07,821 INFO L226 Difference]: Without dead ends: 420 [2018-04-10 02:52:07,823 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 607 GetRequests, 533 SyntacticMatches, 11 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=778, Invalid=3382, Unknown=0, NotChecked=0, Total=4160 [2018-04-10 02:52:07,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2018-04-10 02:52:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 409. [2018-04-10 02:52:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-04-10 02:52:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 416 transitions. [2018-04-10 02:52:07,841 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 416 transitions. Word has length 291 [2018-04-10 02:52:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:07,842 INFO L459 AbstractCegarLoop]: Abstraction has 409 states and 416 transitions. [2018-04-10 02:52:07,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 02:52:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 416 transitions. [2018-04-10 02:52:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-04-10 02:52:07,845 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:07,845 INFO L355 BasicCegarLoop]: trace histogram [32, 27, 26, 26, 26, 26, 26, 26, 26, 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] [2018-04-10 02:52:07,845 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:07,845 INFO L82 PathProgramCache]: Analyzing trace with hash 846927887, now seen corresponding path program 9 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 [2018-04-10 02:52:07,854 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:07,956 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 2209 proven. 100 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2018-04-10 02:52:08,462 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 2209 proven. 100 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2018-04-10 02:52:09,009 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:09,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 36 [2018-04-10 02:52:09,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-10 02:52:09,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-10 02:52:09,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1054, Unknown=0, NotChecked=0, Total=1260 [2018-04-10 02:52:09,011 INFO L87 Difference]: Start difference. First operand 409 states and 416 transitions. Second operand 36 states. [2018-04-10 02:52:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:09,595 INFO L93 Difference]: Finished difference Result 550 states and 563 transitions. [2018-04-10 02:52:09,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-10 02:52:09,595 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 356 [2018-04-10 02:52:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:09,598 INFO L225 Difference]: With dead ends: 550 [2018-04-10 02:52:09,598 INFO L226 Difference]: Without dead ends: 419 [2018-04-10 02:52:09,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 667 SyntacticMatches, 11 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1199 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=650, Invalid=2890, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 02:52:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-04-10 02:52:09,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 409. [2018-04-10 02:52:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-04-10 02:52:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 414 transitions. [2018-04-10 02:52:09,612 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 414 transitions. Word has length 356 [2018-04-10 02:52:09,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:09,613 INFO L459 AbstractCegarLoop]: Abstraction has 409 states and 414 transitions. [2018-04-10 02:52:09,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-10 02:52:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 414 transitions. [2018-04-10 02:52:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-04-10 02:52:09,616 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:09,616 INFO L355 BasicCegarLoop]: trace histogram [33, 28, 27, 27, 27, 27, 27, 27, 27, 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] [2018-04-10 02:52:09,616 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:09,616 INFO L82 PathProgramCache]: Analyzing trace with hash -2067051550, now seen corresponding path program 10 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 [2018-04-10 02:52:09,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:09,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 1635 proven. 120 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-04-10 02:52:10,176 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3765 backedges. 1635 proven. 120 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-04-10 02:52:10,608 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:10,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 45 [2018-04-10 02:52:10,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-10 02:52:10,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-10 02:52:10,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=1691, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 02:52:10,610 INFO L87 Difference]: Start difference. First operand 409 states and 414 transitions. Second operand 45 states. [2018-04-10 02:52:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:11,601 INFO L93 Difference]: Finished difference Result 608 states and 619 transitions. [2018-04-10 02:52:11,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 02:52:11,601 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 365 [2018-04-10 02:52:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:11,603 INFO L225 Difference]: With dead ends: 608 [2018-04-10 02:52:11,603 INFO L226 Difference]: Without dead ends: 493 [2018-04-10 02:52:11,605 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 673 SyntacticMatches, 13 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1033, Invalid=4667, Unknown=0, NotChecked=0, Total=5700 [2018-04-10 02:52:11,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-04-10 02:52:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 482. [2018-04-10 02:52:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-04-10 02:52:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 487 transitions. [2018-04-10 02:52:11,618 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 487 transitions. Word has length 365 [2018-04-10 02:52:11,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:11,619 INFO L459 AbstractCegarLoop]: Abstraction has 482 states and 487 transitions. [2018-04-10 02:52:11,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-10 02:52:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 487 transitions. [2018-04-10 02:52:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-04-10 02:52:11,622 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:11,623 INFO L355 BasicCegarLoop]: trace histogram [40, 34, 33, 33, 33, 33, 33, 33, 33, 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] [2018-04-10 02:52:11,623 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:11,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1378878001, now seen corresponding path program 11 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 [2018-04-10 02:52:11,629 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:11,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3236 proven. 147 refuted. 0 times theorem prover too weak. 2230 trivial. 0 not checked. [2018-04-10 02:52:12,061 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5613 backedges. 3236 proven. 147 refuted. 0 times theorem prover too weak. 2230 trivial. 0 not checked. [2018-04-10 02:52:12,543 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:12,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 42 [2018-04-10 02:52:12,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-10 02:52:12,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-10 02:52:12,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1454, Unknown=0, NotChecked=0, Total=1722 [2018-04-10 02:52:12,546 INFO L87 Difference]: Start difference. First operand 482 states and 487 transitions. Second operand 42 states. [2018-04-10 02:52:13,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:13,398 INFO L93 Difference]: Finished difference Result 617 states and 625 transitions. [2018-04-10 02:52:13,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-10 02:52:13,398 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 439 [2018-04-10 02:52:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:13,400 INFO L225 Difference]: With dead ends: 617 [2018-04-10 02:52:13,400 INFO L226 Difference]: Without dead ends: 496 [2018-04-10 02:52:13,403 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 825 SyntacticMatches, 13 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1754 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=887, Invalid=4083, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 02:52:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2018-04-10 02:52:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 482. [2018-04-10 02:52:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-04-10 02:52:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 485 transitions. [2018-04-10 02:52:13,419 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 485 transitions. Word has length 439 [2018-04-10 02:52:13,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:13,419 INFO L459 AbstractCegarLoop]: Abstraction has 482 states and 485 transitions. [2018-04-10 02:52:13,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-10 02:52:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 485 transitions. [2018-04-10 02:52:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2018-04-10 02:52:13,423 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:13,423 INFO L355 BasicCegarLoop]: trace histogram [41, 35, 34, 34, 34, 34, 34, 34, 34, 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] [2018-04-10 02:52:13,423 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1656662016, now seen corresponding path program 12 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 [2018-04-10 02:52:13,437 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:13,546 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5925 backedges. 1878 proven. 210 refuted. 0 times theorem prover too weak. 3837 trivial. 0 not checked. [2018-04-10 02:52:13,843 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5925 backedges. 1878 proven. 210 refuted. 0 times theorem prover too weak. 3837 trivial. 0 not checked. [2018-04-10 02:52:14,248 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:14,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2018-04-10 02:52:14,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 02:52:14,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 02:52:14,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=818, Unknown=0, NotChecked=0, Total=992 [2018-04-10 02:52:14,249 INFO L87 Difference]: Start difference. First operand 482 states and 485 transitions. Second operand 32 states. [2018-04-10 02:52:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:15,334 INFO L93 Difference]: Finished difference Result 591 states and 609 transitions. [2018-04-10 02:52:15,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 02:52:15,334 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 448 [2018-04-10 02:52:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:15,337 INFO L225 Difference]: With dead ends: 591 [2018-04-10 02:52:15,337 INFO L226 Difference]: Without dead ends: 590 [2018-04-10 02:52:15,339 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=862, Invalid=2678, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 02:52:15,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2018-04-10 02:52:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 553. [2018-04-10 02:52:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-04-10 02:52:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 571 transitions. [2018-04-10 02:52:15,363 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 571 transitions. Word has length 448 [2018-04-10 02:52:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:15,364 INFO L459 AbstractCegarLoop]: Abstraction has 553 states and 571 transitions. [2018-04-10 02:52:15,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 02:52:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 571 transitions. [2018-04-10 02:52:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2018-04-10 02:52:15,367 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:15,367 INFO L355 BasicCegarLoop]: trace histogram [41, 35, 35, 34, 34, 34, 34, 34, 34, 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] [2018-04-10 02:52:15,367 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:15,368 INFO L82 PathProgramCache]: Analyzing trace with hash -183084832, now seen corresponding path program 2 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 [2018-04-10 02:52:15,382 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:15,478 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:15,494 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 [2018-04-10 02:52:15,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:52:15,501 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:52:15,501 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 02:52:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5959 backedges. 1935 proven. 217 refuted. 0 times theorem prover too weak. 3807 trivial. 0 not checked. [2018-04-10 02:52:16,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5959 backedges. 1935 proven. 217 refuted. 0 times theorem prover too weak. 3807 trivial. 0 not checked. [2018-04-10 02:52:16,787 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:16,787 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2018-04-10 02:52:16,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-10 02:52:16,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-10 02:52:16,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2018-04-10 02:52:16,789 INFO L87 Difference]: Start difference. First operand 553 states and 571 transitions. Second operand 39 states. [2018-04-10 02:52:18,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:18,827 INFO L93 Difference]: Finished difference Result 582 states and 600 transitions. [2018-04-10 02:52:18,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-10 02:52:18,828 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 449 [2018-04-10 02:52:18,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:18,830 INFO L225 Difference]: With dead ends: 582 [2018-04-10 02:52:18,830 INFO L226 Difference]: Without dead ends: 581 [2018-04-10 02:52:18,831 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 929 GetRequests, 850 SyntacticMatches, 11 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1158, Invalid=3672, Unknown=0, NotChecked=0, Total=4830 [2018-04-10 02:52:18,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-04-10 02:52:18,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 554. [2018-04-10 02:52:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-04-10 02:52:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 565 transitions. [2018-04-10 02:52:18,852 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 565 transitions. Word has length 449 [2018-04-10 02:52:18,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:18,853 INFO L459 AbstractCegarLoop]: Abstraction has 554 states and 565 transitions. [2018-04-10 02:52:18,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-10 02:52:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 565 transitions. [2018-04-10 02:52:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2018-04-10 02:52:18,856 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:18,857 INFO L355 BasicCegarLoop]: trace histogram [41, 34, 34, 34, 34, 34, 34, 34, 34, 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] [2018-04-10 02:52:18,857 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:18,857 INFO L82 PathProgramCache]: Analyzing trace with hash -696734368, now seen corresponding path program 5 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 [2018-04-10 02:52:18,863 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:18,968 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5959 backedges. 2111 proven. 203 refuted. 0 times theorem prover too weak. 3645 trivial. 0 not checked. [2018-04-10 02:52:19,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5959 backedges. 2111 proven. 203 refuted. 0 times theorem prover too weak. 3645 trivial. 0 not checked. [2018-04-10 02:52:20,193 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:20,193 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 48 [2018-04-10 02:52:20,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-10 02:52:20,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-10 02:52:20,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=1918, Unknown=0, NotChecked=0, Total=2256 [2018-04-10 02:52:20,194 INFO L87 Difference]: Start difference. First operand 554 states and 565 transitions. Second operand 48 states. [2018-04-10 02:52:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:21,019 INFO L93 Difference]: Finished difference Result 746 states and 767 transitions. [2018-04-10 02:52:21,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-10 02:52:21,019 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 467 [2018-04-10 02:52:21,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:21,021 INFO L225 Difference]: With dead ends: 746 [2018-04-10 02:52:21,021 INFO L226 Difference]: Without dead ends: 564 [2018-04-10 02:52:21,023 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 968 GetRequests, 873 SyntacticMatches, 15 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2414 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1161, Invalid=5481, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 02:52:21,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-04-10 02:52:21,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-04-10 02:52:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-04-10 02:52:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 564 transitions. [2018-04-10 02:52:21,044 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 564 transitions. Word has length 467 [2018-04-10 02:52:21,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:21,044 INFO L459 AbstractCegarLoop]: Abstraction has 554 states and 564 transitions. [2018-04-10 02:52:21,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-10 02:52:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 564 transitions. [2018-04-10 02:52:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-04-10 02:52:21,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:21,048 INFO L355 BasicCegarLoop]: trace histogram [42, 35, 35, 35, 35, 35, 35, 35, 35, 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] [2018-04-10 02:52:21,048 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:21,049 INFO L82 PathProgramCache]: Analyzing trace with hash 777455725, now seen corresponding path program 6 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 [2018-04-10 02:52:21,062 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:21,194 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 6055 trivial. 0 not checked. [2018-04-10 02:52:21,540 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 6055 trivial. 0 not checked. [2018-04-10 02:52:21,834 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:21,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2018-04-10 02:52:21,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-10 02:52:21,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-10 02:52:21,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2018-04-10 02:52:21,836 INFO L87 Difference]: Start difference. First operand 554 states and 564 transitions. Second operand 32 states. [2018-04-10 02:52:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:22,618 INFO L93 Difference]: Finished difference Result 670 states and 697 transitions. [2018-04-10 02:52:22,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-10 02:52:22,618 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 476 [2018-04-10 02:52:22,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:22,621 INFO L225 Difference]: With dead ends: 670 [2018-04-10 02:52:22,622 INFO L226 Difference]: Without dead ends: 650 [2018-04-10 02:52:22,622 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 979 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1155, Invalid=2385, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 02:52:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2018-04-10 02:52:22,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 634. [2018-04-10 02:52:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-04-10 02:52:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 652 transitions. [2018-04-10 02:52:22,649 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 652 transitions. Word has length 476 [2018-04-10 02:52:22,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:22,649 INFO L459 AbstractCegarLoop]: Abstraction has 634 states and 652 transitions. [2018-04-10 02:52:22,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-10 02:52:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 652 transitions. [2018-04-10 02:52:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-04-10 02:52:22,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:22,654 INFO L355 BasicCegarLoop]: trace histogram [49, 43, 42, 42, 42, 42, 42, 42, 42, 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] [2018-04-10 02:52:22,654 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:22,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1893487232, now seen corresponding path program 13 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 [2018-04-10 02:52:22,674 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:22,818 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8745 backedges. 4742 proven. 174 refuted. 0 times theorem prover too weak. 3829 trivial. 0 not checked. [2018-04-10 02:52:23,420 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8745 backedges. 4742 proven. 174 refuted. 0 times theorem prover too weak. 3829 trivial. 0 not checked. [2018-04-10 02:52:23,955 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:23,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 51 [2018-04-10 02:52:23,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-10 02:52:23,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-10 02:52:23,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=2189, Unknown=0, NotChecked=0, Total=2550 [2018-04-10 02:52:23,957 INFO L87 Difference]: Start difference. First operand 634 states and 652 transitions. Second operand 51 states. [2018-04-10 02:52:25,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:25,226 INFO L93 Difference]: Finished difference Result 981 states and 1017 transitions. [2018-04-10 02:52:25,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-10 02:52:25,227 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 520 [2018-04-10 02:52:25,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:25,229 INFO L225 Difference]: With dead ends: 981 [2018-04-10 02:52:25,230 INFO L226 Difference]: Without dead ends: 724 [2018-04-10 02:52:25,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1075 GetRequests, 975 SyntacticMatches, 15 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1792 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1324, Invalid=6158, Unknown=0, NotChecked=0, Total=7482 [2018-04-10 02:52:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2018-04-10 02:52:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 716. [2018-04-10 02:52:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2018-04-10 02:52:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 733 transitions. [2018-04-10 02:52:25,262 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 733 transitions. Word has length 520 [2018-04-10 02:52:25,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:25,262 INFO L459 AbstractCegarLoop]: Abstraction has 716 states and 733 transitions. [2018-04-10 02:52:25,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-10 02:52:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 733 transitions. [2018-04-10 02:52:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2018-04-10 02:52:25,268 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:25,268 INFO L355 BasicCegarLoop]: trace histogram [58, 51, 50, 50, 50, 50, 50, 50, 50, 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] [2018-04-10 02:52:25,268 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:25,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2120268975, now seen corresponding path program 14 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 [2018-04-10 02:52:25,276 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:25,448 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12372 backedges. 5938 proven. 238 refuted. 0 times theorem prover too weak. 6196 trivial. 0 not checked. [2018-04-10 02:52:26,318 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12372 backedges. 5938 proven. 238 refuted. 0 times theorem prover too weak. 6196 trivial. 0 not checked. [2018-04-10 02:52:27,030 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:27,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 57 [2018-04-10 02:52:27,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-10 02:52:27,031 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-10 02:52:27,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=2751, Unknown=0, NotChecked=0, Total=3192 [2018-04-10 02:52:27,032 INFO L87 Difference]: Start difference. First operand 716 states and 733 transitions. Second operand 57 states. [2018-04-10 02:52:28,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:28,358 INFO L93 Difference]: Finished difference Result 1065 states and 1100 transitions. [2018-04-10 02:52:28,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-10 02:52:28,359 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 612 [2018-04-10 02:52:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:28,362 INFO L225 Difference]: With dead ends: 1065 [2018-04-10 02:52:28,362 INFO L226 Difference]: Without dead ends: 818 [2018-04-10 02:52:28,365 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1264 GetRequests, 1151 SyntacticMatches, 17 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2330 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1651, Invalid=7855, Unknown=0, NotChecked=0, Total=9506 [2018-04-10 02:52:28,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-04-10 02:52:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 807. [2018-04-10 02:52:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-04-10 02:52:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 824 transitions. [2018-04-10 02:52:28,393 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 824 transitions. Word has length 612 [2018-04-10 02:52:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:28,393 INFO L459 AbstractCegarLoop]: Abstraction has 807 states and 824 transitions. [2018-04-10 02:52:28,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-10 02:52:28,394 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 824 transitions. [2018-04-10 02:52:28,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2018-04-10 02:52:28,399 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:28,399 INFO L355 BasicCegarLoop]: trace histogram [67, 59, 58, 58, 58, 58, 58, 58, 58, 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] [2018-04-10 02:52:28,400 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:28,400 INFO L82 PathProgramCache]: Analyzing trace with hash 754927454, now seen corresponding path program 15 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 [2018-04-10 02:52:28,409 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:28,535 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16627 backedges. 9300 proven. 268 refuted. 0 times theorem prover too weak. 7059 trivial. 0 not checked. [2018-04-10 02:52:29,163 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 16627 backedges. 9300 proven. 268 refuted. 0 times theorem prover too weak. 7059 trivial. 0 not checked. [2018-04-10 02:52:29,996 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:29,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 54 [2018-04-10 02:52:29,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-10 02:52:29,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-10 02:52:29,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=416, Invalid=2446, Unknown=0, NotChecked=0, Total=2862 [2018-04-10 02:52:29,998 INFO L87 Difference]: Start difference. First operand 807 states and 824 transitions. Second operand 54 states. [2018-04-10 02:52:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:30,849 INFO L93 Difference]: Finished difference Result 1070 states and 1108 transitions. [2018-04-10 02:52:30,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-10 02:52:30,850 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 704 [2018-04-10 02:52:30,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:30,852 INFO L225 Difference]: With dead ends: 1070 [2018-04-10 02:52:30,853 INFO L226 Difference]: Without dead ends: 817 [2018-04-10 02:52:30,856 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1447 GetRequests, 1339 SyntacticMatches, 17 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3179 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1472, Invalid=7084, Unknown=0, NotChecked=0, Total=8556 [2018-04-10 02:52:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-04-10 02:52:30,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 807. [2018-04-10 02:52:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-04-10 02:52:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 822 transitions. [2018-04-10 02:52:30,886 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 822 transitions. Word has length 704 [2018-04-10 02:52:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:30,887 INFO L459 AbstractCegarLoop]: Abstraction has 807 states and 822 transitions. [2018-04-10 02:52:30,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-10 02:52:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 822 transitions. [2018-04-10 02:52:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2018-04-10 02:52:30,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:30,893 INFO L355 BasicCegarLoop]: trace histogram [68, 60, 59, 59, 59, 59, 59, 59, 59, 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] [2018-04-10 02:52:30,893 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:30,894 INFO L82 PathProgramCache]: Analyzing trace with hash -67037325, now seen corresponding path program 16 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 [2018-04-10 02:52:30,902 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:31,036 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 17168 backedges. 7263 proven. 312 refuted. 0 times theorem prover too weak. 9593 trivial. 0 not checked. [2018-04-10 02:52:31,915 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17168 backedges. 7263 proven. 312 refuted. 0 times theorem prover too weak. 9593 trivial. 0 not checked. [2018-04-10 02:52:32,740 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:32,740 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 63 [2018-04-10 02:52:32,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-04-10 02:52:32,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-04-10 02:52:32,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=3377, Unknown=0, NotChecked=0, Total=3906 [2018-04-10 02:52:32,741 INFO L87 Difference]: Start difference. First operand 807 states and 822 transitions. Second operand 63 states. [2018-04-10 02:52:34,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:34,286 INFO L93 Difference]: Finished difference Result 1155 states and 1186 transitions. [2018-04-10 02:52:34,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-10 02:52:34,286 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 713 [2018-04-10 02:52:34,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:34,290 INFO L225 Difference]: With dead ends: 1155 [2018-04-10 02:52:34,290 INFO L226 Difference]: Without dead ends: 918 [2018-04-10 02:52:34,293 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1471 GetRequests, 1345 SyntacticMatches, 19 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2938 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2014, Invalid=9758, Unknown=0, NotChecked=0, Total=11772 [2018-04-10 02:52:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-04-10 02:52:34,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 907. [2018-04-10 02:52:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-10 02:52:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 922 transitions. [2018-04-10 02:52:34,327 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 922 transitions. Word has length 713 [2018-04-10 02:52:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:34,327 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 922 transitions. [2018-04-10 02:52:34,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-04-10 02:52:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 922 transitions. [2018-04-10 02:52:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 815 [2018-04-10 02:52:34,335 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:34,335 INFO L355 BasicCegarLoop]: trace histogram [78, 69, 68, 68, 68, 68, 68, 68, 68, 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] [2018-04-10 02:52:34,336 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:34,336 INFO L82 PathProgramCache]: Analyzing trace with hash 55904047, now seen corresponding path program 17 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 [2018-04-10 02:52:34,346 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:34,509 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22749 backedges. 11903 proven. 342 refuted. 0 times theorem prover too weak. 10504 trivial. 0 not checked. [2018-04-10 02:52:35,186 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22749 backedges. 11903 proven. 342 refuted. 0 times theorem prover too weak. 10504 trivial. 0 not checked. [2018-04-10 02:52:36,265 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:36,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 60 [2018-04-10 02:52:36,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-04-10 02:52:36,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-04-10 02:52:36,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=502, Invalid=3038, Unknown=0, NotChecked=0, Total=3540 [2018-04-10 02:52:36,267 INFO L87 Difference]: Start difference. First operand 907 states and 922 transitions. Second operand 60 states. [2018-04-10 02:52:37,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:37,415 INFO L93 Difference]: Finished difference Result 1160 states and 1193 transitions. [2018-04-10 02:52:37,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-10 02:52:37,415 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 814 [2018-04-10 02:52:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:37,418 INFO L225 Difference]: With dead ends: 1160 [2018-04-10 02:52:37,418 INFO L226 Difference]: Without dead ends: 917 [2018-04-10 02:52:37,420 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1672 GetRequests, 1551 SyntacticMatches, 19 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4049 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1820, Invalid=8892, Unknown=0, NotChecked=0, Total=10712 [2018-04-10 02:52:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2018-04-10 02:52:37,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 907. [2018-04-10 02:52:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2018-04-10 02:52:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 920 transitions. [2018-04-10 02:52:37,454 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 920 transitions. Word has length 814 [2018-04-10 02:52:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:37,455 INFO L459 AbstractCegarLoop]: Abstraction has 907 states and 920 transitions. [2018-04-10 02:52:37,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-04-10 02:52:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 920 transitions. [2018-04-10 02:52:37,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2018-04-10 02:52:37,462 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:37,462 INFO L355 BasicCegarLoop]: trace histogram [79, 70, 69, 69, 69, 69, 69, 69, 69, 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] [2018-04-10 02:52:37,462 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1331195198, now seen corresponding path program 18 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 [2018-04-10 02:52:37,472 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:37,638 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 23382 backedges. 8717 proven. 396 refuted. 0 times theorem prover too weak. 14269 trivial. 0 not checked. [2018-04-10 02:52:38,449 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 23382 backedges. 8717 proven. 396 refuted. 0 times theorem prover too weak. 14269 trivial. 0 not checked. [2018-04-10 02:52:39,386 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:39,386 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 69 [2018-04-10 02:52:39,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-04-10 02:52:39,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-04-10 02:52:39,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=625, Invalid=4067, Unknown=0, NotChecked=0, Total=4692 [2018-04-10 02:52:39,387 INFO L87 Difference]: Start difference. First operand 907 states and 920 transitions. Second operand 69 states. [2018-04-10 02:52:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:41,086 INFO L93 Difference]: Finished difference Result 1254 states and 1281 transitions. [2018-04-10 02:52:41,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-10 02:52:41,087 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 823 [2018-04-10 02:52:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:41,089 INFO L225 Difference]: With dead ends: 1254 [2018-04-10 02:52:41,089 INFO L226 Difference]: Without dead ends: 1027 [2018-04-10 02:52:41,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1696 GetRequests, 1557 SyntacticMatches, 21 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3616 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2413, Invalid=11867, Unknown=0, NotChecked=0, Total=14280 [2018-04-10 02:52:41,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2018-04-10 02:52:41,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1016. [2018-04-10 02:52:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2018-04-10 02:52:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1029 transitions. [2018-04-10 02:52:41,113 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1029 transitions. Word has length 823 [2018-04-10 02:52:41,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:41,113 INFO L459 AbstractCegarLoop]: Abstraction has 1016 states and 1029 transitions. [2018-04-10 02:52:41,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-04-10 02:52:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1029 transitions. [2018-04-10 02:52:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2018-04-10 02:52:41,118 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:41,119 INFO L355 BasicCegarLoop]: trace histogram [90, 80, 79, 79, 79, 79, 79, 79, 79, 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] [2018-04-10 02:52:41,119 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:41,119 INFO L82 PathProgramCache]: Analyzing trace with hash 626041809, now seen corresponding path program 19 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 [2018-04-10 02:52:41,125 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:41,297 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 30556 backedges. 14912 proven. 425 refuted. 0 times theorem prover too weak. 15219 trivial. 0 not checked. [2018-04-10 02:52:42,231 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:43,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30556 backedges. 14912 proven. 425 refuted. 0 times theorem prover too weak. 15219 trivial. 0 not checked. [2018-04-10 02:52:43,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:43,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 66 [2018-04-10 02:52:43,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-10 02:52:43,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-10 02:52:43,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=3694, Unknown=0, NotChecked=0, Total=4290 [2018-04-10 02:52:43,365 INFO L87 Difference]: Start difference. First operand 1016 states and 1029 transitions. Second operand 66 states. [2018-04-10 02:52:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:44,710 INFO L93 Difference]: Finished difference Result 1259 states and 1287 transitions. [2018-04-10 02:52:44,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-10 02:52:44,710 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 933 [2018-04-10 02:52:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:44,713 INFO L225 Difference]: With dead ends: 1259 [2018-04-10 02:52:44,713 INFO L226 Difference]: Without dead ends: 1026 [2018-04-10 02:52:44,714 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1915 GetRequests, 1781 SyntacticMatches, 21 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5024 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=2205, Invalid=10905, Unknown=0, NotChecked=0, Total=13110 [2018-04-10 02:52:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2018-04-10 02:52:44,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1016. [2018-04-10 02:52:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2018-04-10 02:52:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1027 transitions. [2018-04-10 02:52:44,737 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1027 transitions. Word has length 933 [2018-04-10 02:52:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:44,737 INFO L459 AbstractCegarLoop]: Abstraction has 1016 states and 1027 transitions. [2018-04-10 02:52:44,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-10 02:52:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1027 transitions. [2018-04-10 02:52:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2018-04-10 02:52:44,743 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:44,743 INFO L355 BasicCegarLoop]: trace histogram [91, 81, 80, 80, 80, 80, 80, 80, 80, 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] [2018-04-10 02:52:44,744 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:44,744 INFO L82 PathProgramCache]: Analyzing trace with hash -260764576, now seen corresponding path program 20 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 [2018-04-10 02:52:44,750 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:44,908 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31290 backedges. 10300 proven. 490 refuted. 0 times theorem prover too weak. 20500 trivial. 0 not checked. [2018-04-10 02:52:45,879 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:47,201 INFO L134 CoverageAnalysis]: Checked inductivity of 31290 backedges. 10300 proven. 490 refuted. 0 times theorem prover too weak. 20500 trivial. 0 not checked. [2018-04-10 02:52:47,236 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:47,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 75 [2018-04-10 02:52:47,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-04-10 02:52:47,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-04-10 02:52:47,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=4821, Unknown=0, NotChecked=0, Total=5550 [2018-04-10 02:52:47,238 INFO L87 Difference]: Start difference. First operand 1016 states and 1027 transitions. Second operand 75 states. [2018-04-10 02:52:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:49,414 INFO L93 Difference]: Finished difference Result 1362 states and 1385 transitions. [2018-04-10 02:52:49,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-10 02:52:49,414 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 942 [2018-04-10 02:52:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:49,417 INFO L225 Difference]: With dead ends: 1362 [2018-04-10 02:52:49,418 INFO L226 Difference]: Without dead ends: 1145 [2018-04-10 02:52:49,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1939 GetRequests, 1787 SyntacticMatches, 23 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4364 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2848, Invalid=14182, Unknown=0, NotChecked=0, Total=17030 [2018-04-10 02:52:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2018-04-10 02:52:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1134. [2018-04-10 02:52:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-04-10 02:52:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1145 transitions. [2018-04-10 02:52:49,460 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1145 transitions. Word has length 942 [2018-04-10 02:52:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:49,461 INFO L459 AbstractCegarLoop]: Abstraction has 1134 states and 1145 transitions. [2018-04-10 02:52:49,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-04-10 02:52:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1145 transitions. [2018-04-10 02:52:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1062 [2018-04-10 02:52:49,475 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:49,476 INFO L355 BasicCegarLoop]: trace histogram [103, 92, 91, 91, 91, 91, 91, 91, 91, 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] [2018-04-10 02:52:49,476 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:49,477 INFO L82 PathProgramCache]: Analyzing trace with hash -612071166, now seen corresponding path program 21 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 [2018-04-10 02:52:49,485 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:49,701 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40351 backedges. 18354 proven. 517 refuted. 0 times theorem prover too weak. 21480 trivial. 0 not checked. [2018-04-10 02:52:50,778 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 40351 backedges. 18354 proven. 517 refuted. 0 times theorem prover too weak. 21480 trivial. 0 not checked. [2018-04-10 02:52:52,288 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:52,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 72 [2018-04-10 02:52:52,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-04-10 02:52:52,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-04-10 02:52:52,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=698, Invalid=4414, Unknown=0, NotChecked=0, Total=5112 [2018-04-10 02:52:52,290 INFO L87 Difference]: Start difference. First operand 1134 states and 1145 transitions. Second operand 72 states. [2018-04-10 02:52:53,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:53,821 INFO L93 Difference]: Finished difference Result 1367 states and 1390 transitions. [2018-04-10 02:52:53,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-10 02:52:53,821 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 1061 [2018-04-10 02:52:53,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:53,825 INFO L225 Difference]: With dead ends: 1367 [2018-04-10 02:52:53,825 INFO L226 Difference]: Without dead ends: 1144 [2018-04-10 02:52:53,827 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2176 GetRequests, 2029 SyntacticMatches, 23 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6104 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2627, Invalid=13123, Unknown=0, NotChecked=0, Total=15750 [2018-04-10 02:52:53,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2018-04-10 02:52:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1134. [2018-04-10 02:52:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-04-10 02:52:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1143 transitions. [2018-04-10 02:52:53,855 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1143 transitions. Word has length 1061 [2018-04-10 02:52:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:53,856 INFO L459 AbstractCegarLoop]: Abstraction has 1134 states and 1143 transitions. [2018-04-10 02:52:53,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-04-10 02:52:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1143 transitions. [2018-04-10 02:52:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2018-04-10 02:52:53,867 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:53,867 INFO L355 BasicCegarLoop]: trace histogram [104, 93, 92, 92, 92, 92, 92, 92, 92, 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] [2018-04-10 02:52:53,867 INFO L408 AbstractCegarLoop]: === Iteration 40 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:53,868 INFO L82 PathProgramCache]: Analyzing trace with hash -136221105, now seen corresponding path program 22 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 [2018-04-10 02:52:53,876 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:54,060 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:52:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 41195 backedges. 12012 proven. 594 refuted. 0 times theorem prover too weak. 28589 trivial. 0 not checked. [2018-04-10 02:52:55,203 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:52:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 41195 backedges. 12012 proven. 594 refuted. 0 times theorem prover too weak. 28589 trivial. 0 not checked. [2018-04-10 02:52:56,706 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:52:56,707 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 81 [2018-04-10 02:52:56,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-04-10 02:52:56,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-04-10 02:52:56,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=841, Invalid=5639, Unknown=0, NotChecked=0, Total=6480 [2018-04-10 02:52:56,708 INFO L87 Difference]: Start difference. First operand 1134 states and 1143 transitions. Second operand 81 states. [2018-04-10 02:52:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:52:59,127 INFO L93 Difference]: Finished difference Result 1479 states and 1498 transitions. [2018-04-10 02:52:59,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-10 02:52:59,127 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 1070 [2018-04-10 02:52:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:52:59,131 INFO L225 Difference]: With dead ends: 1479 [2018-04-10 02:52:59,131 INFO L226 Difference]: Without dead ends: 1272 [2018-04-10 02:52:59,133 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2200 GetRequests, 2035 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5182 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3319, Invalid=16703, Unknown=0, NotChecked=0, Total=20022 [2018-04-10 02:52:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-04-10 02:52:59,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1261. [2018-04-10 02:52:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2018-04-10 02:52:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1270 transitions. [2018-04-10 02:52:59,162 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1270 transitions. Word has length 1070 [2018-04-10 02:52:59,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:52:59,163 INFO L459 AbstractCegarLoop]: Abstraction has 1261 states and 1270 transitions. [2018-04-10 02:52:59,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-04-10 02:52:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1270 transitions. [2018-04-10 02:52:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2018-04-10 02:52:59,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:52:59,172 INFO L355 BasicCegarLoop]: trace histogram [117, 105, 104, 104, 104, 104, 104, 104, 104, 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] [2018-04-10 02:52:59,172 INFO L408 AbstractCegarLoop]: === Iteration 41 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:52:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash 931127358, now seen corresponding path program 23 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 [2018-04-10 02:52:59,179 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:52:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:52:59,388 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:00,662 INFO L134 CoverageAnalysis]: Checked inductivity of 52464 backedges. 22256 proven. 618 refuted. 0 times theorem prover too weak. 29590 trivial. 0 not checked. [2018-04-10 02:53:00,663 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 52464 backedges. 22256 proven. 618 refuted. 0 times theorem prover too weak. 29590 trivial. 0 not checked. [2018-04-10 02:53:02,453 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:02,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 78 [2018-04-10 02:53:02,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-04-10 02:53:02,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-04-10 02:53:02,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=808, Invalid=5198, Unknown=0, NotChecked=0, Total=6006 [2018-04-10 02:53:02,455 INFO L87 Difference]: Start difference. First operand 1261 states and 1270 transitions. Second operand 78 states. [2018-04-10 02:53:04,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:04,266 INFO L93 Difference]: Finished difference Result 1484 states and 1502 transitions. [2018-04-10 02:53:04,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-10 02:53:04,266 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 1198 [2018-04-10 02:53:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:04,269 INFO L225 Difference]: With dead ends: 1484 [2018-04-10 02:53:04,269 INFO L226 Difference]: Without dead ends: 1271 [2018-04-10 02:53:04,271 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2455 GetRequests, 2295 SyntacticMatches, 25 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7289 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3086, Invalid=15546, Unknown=0, NotChecked=0, Total=18632 [2018-04-10 02:53:04,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2018-04-10 02:53:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1261. [2018-04-10 02:53:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2018-04-10 02:53:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1268 transitions. [2018-04-10 02:53:04,303 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1268 transitions. Word has length 1198 [2018-04-10 02:53:04,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:04,304 INFO L459 AbstractCegarLoop]: Abstraction has 1261 states and 1268 transitions. [2018-04-10 02:53:04,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-04-10 02:53:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1268 transitions. [2018-04-10 02:53:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1208 [2018-04-10 02:53:04,312 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:04,312 INFO L355 BasicCegarLoop]: trace histogram [118, 106, 105, 105, 105, 105, 105, 105, 105, 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] [2018-04-10 02:53:04,312 INFO L408 AbstractCegarLoop]: === Iteration 42 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:04,313 INFO L82 PathProgramCache]: Analyzing trace with hash 485390995, now seen corresponding path program 24 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 [2018-04-10 02:53:04,319 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:04,528 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 53427 backedges. 13853 proven. 708 refuted. 0 times theorem prover too weak. 38866 trivial. 0 not checked. [2018-04-10 02:53:06,166 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 53427 backedges. 13853 proven. 708 refuted. 0 times theorem prover too weak. 38866 trivial. 0 not checked. [2018-04-10 02:53:07,759 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:07,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58] total 87 [2018-04-10 02:53:07,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-04-10 02:53:07,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-04-10 02:53:07,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=961, Invalid=6521, Unknown=0, NotChecked=0, Total=7482 [2018-04-10 02:53:07,762 INFO L87 Difference]: Start difference. First operand 1261 states and 1268 transitions. Second operand 87 states. [2018-04-10 02:53:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:10,659 INFO L93 Difference]: Finished difference Result 1605 states and 1620 transitions. [2018-04-10 02:53:10,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-10 02:53:10,660 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 1207 [2018-04-10 02:53:10,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:10,663 INFO L225 Difference]: With dead ends: 1605 [2018-04-10 02:53:10,663 INFO L226 Difference]: Without dead ends: 1408 [2018-04-10 02:53:10,665 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2479 GetRequests, 2301 SyntacticMatches, 27 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6070 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3826, Invalid=19430, Unknown=0, NotChecked=0, Total=23256 [2018-04-10 02:53:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2018-04-10 02:53:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1397. [2018-04-10 02:53:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-04-10 02:53:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1404 transitions. [2018-04-10 02:53:10,694 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1404 transitions. Word has length 1207 [2018-04-10 02:53:10,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:10,695 INFO L459 AbstractCegarLoop]: Abstraction has 1397 states and 1404 transitions. [2018-04-10 02:53:10,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-04-10 02:53:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1404 transitions. [2018-04-10 02:53:10,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1345 [2018-04-10 02:53:10,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:10,704 INFO L355 BasicCegarLoop]: trace histogram [132, 119, 118, 118, 118, 118, 118, 118, 118, 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] [2018-04-10 02:53:10,704 INFO L408 AbstractCegarLoop]: === Iteration 43 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:10,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1678850767, now seen corresponding path program 25 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 [2018-04-10 02:53:10,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:10,941 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 67252 backedges. 26645 proven. 728 refuted. 0 times theorem prover too weak. 39879 trivial. 0 not checked. [2018-04-10 02:53:12,585 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:12,889 WARN L148 SmtUtils]: Spent 120ms on a formula simplification that was a NOOP. DAG size: 78 [2018-04-10 02:53:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 67252 backedges. 26645 proven. 728 refuted. 0 times theorem prover too weak. 39879 trivial. 0 not checked. [2018-04-10 02:53:14,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:14,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 84 [2018-04-10 02:53:14,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-04-10 02:53:14,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-04-10 02:53:14,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=926, Invalid=6046, Unknown=0, NotChecked=0, Total=6972 [2018-04-10 02:53:14,703 INFO L87 Difference]: Start difference. First operand 1397 states and 1404 transitions. Second operand 84 states. [2018-04-10 02:53:16,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:16,779 INFO L93 Difference]: Finished difference Result 1610 states and 1623 transitions. [2018-04-10 02:53:16,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-04-10 02:53:16,779 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 1344 [2018-04-10 02:53:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:16,783 INFO L225 Difference]: With dead ends: 1610 [2018-04-10 02:53:16,783 INFO L226 Difference]: Without dead ends: 1407 [2018-04-10 02:53:16,785 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2752 GetRequests, 2579 SyntacticMatches, 27 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8579 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=3582, Invalid=18174, Unknown=0, NotChecked=0, Total=21756 [2018-04-10 02:53:16,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2018-04-10 02:53:16,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1397. [2018-04-10 02:53:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-04-10 02:53:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1402 transitions. [2018-04-10 02:53:16,812 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1402 transitions. Word has length 1344 [2018-04-10 02:53:16,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:16,813 INFO L459 AbstractCegarLoop]: Abstraction has 1397 states and 1402 transitions. [2018-04-10 02:53:16,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-04-10 02:53:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1402 transitions. [2018-04-10 02:53:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1354 [2018-04-10 02:53:16,822 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:16,823 INFO L355 BasicCegarLoop]: trace histogram [133, 120, 119, 119, 119, 119, 119, 119, 119, 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] [2018-04-10 02:53:16,823 INFO L408 AbstractCegarLoop]: === Iteration 44 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:16,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1294240990, now seen corresponding path program 26 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 [2018-04-10 02:53:16,829 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:17,050 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 68343 backedges. 15823 proven. 832 refuted. 0 times theorem prover too weak. 51688 trivial. 0 not checked. [2018-04-10 02:53:18,910 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 68343 backedges. 15823 proven. 832 refuted. 0 times theorem prover too weak. 51688 trivial. 0 not checked. [2018-04-10 02:53:21,017 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:21,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 93 [2018-04-10 02:53:21,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-04-10 02:53:21,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-04-10 02:53:21,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1089, Invalid=7467, Unknown=0, NotChecked=0, Total=8556 [2018-04-10 02:53:21,019 INFO L87 Difference]: Start difference. First operand 1397 states and 1402 transitions. Second operand 93 states. [2018-04-10 02:53:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:24,318 INFO L93 Difference]: Finished difference Result 1740 states and 1751 transitions. [2018-04-10 02:53:24,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-04-10 02:53:24,318 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 1353 [2018-04-10 02:53:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:24,322 INFO L225 Difference]: With dead ends: 1740 [2018-04-10 02:53:24,322 INFO L226 Difference]: Without dead ends: 1553 [2018-04-10 02:53:24,324 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2776 GetRequests, 2585 SyntacticMatches, 29 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7028 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=4369, Invalid=22363, Unknown=0, NotChecked=0, Total=26732 [2018-04-10 02:53:24,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2018-04-10 02:53:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1542. [2018-04-10 02:53:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1542 states. [2018-04-10 02:53:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 1547 transitions. [2018-04-10 02:53:24,358 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 1547 transitions. Word has length 1353 [2018-04-10 02:53:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:24,359 INFO L459 AbstractCegarLoop]: Abstraction has 1542 states and 1547 transitions. [2018-04-10 02:53:24,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-04-10 02:53:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1547 transitions. [2018-04-10 02:53:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1500 [2018-04-10 02:53:24,373 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:24,374 INFO L355 BasicCegarLoop]: trace histogram [148, 134, 133, 133, 133, 133, 133, 133, 133, 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] [2018-04-10 02:53:24,374 INFO L408 AbstractCegarLoop]: === Iteration 45 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:24,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1928009201, now seen corresponding path program 27 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 [2018-04-10 02:53:24,380 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:24,636 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 85099 backedges. 31548 proven. 847 refuted. 0 times theorem prover too weak. 52704 trivial. 0 not checked. [2018-04-10 02:53:26,419 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 85099 backedges. 31548 proven. 847 refuted. 0 times theorem prover too weak. 52704 trivial. 0 not checked. [2018-04-10 02:53:28,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:28,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 90 [2018-04-10 02:53:28,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-04-10 02:53:28,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-04-10 02:53:28,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1052, Invalid=6958, Unknown=0, NotChecked=0, Total=8010 [2018-04-10 02:53:28,619 INFO L87 Difference]: Start difference. First operand 1542 states and 1547 transitions. Second operand 90 states. [2018-04-10 02:53:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:30,780 INFO L93 Difference]: Finished difference Result 1749 states and 1757 transitions. [2018-04-10 02:53:30,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-04-10 02:53:30,780 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 1499 [2018-04-10 02:53:30,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:30,784 INFO L225 Difference]: With dead ends: 1749 [2018-04-10 02:53:30,784 INFO L226 Difference]: Without dead ends: 1556 [2018-04-10 02:53:30,787 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3067 GetRequests, 2881 SyntacticMatches, 29 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9974 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=4115, Invalid=21007, Unknown=0, NotChecked=0, Total=25122 [2018-04-10 02:53:30,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2018-04-10 02:53:30,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1542. [2018-04-10 02:53:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1542 states. [2018-04-10 02:53:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 1545 transitions. [2018-04-10 02:53:30,821 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 1545 transitions. Word has length 1499 [2018-04-10 02:53:30,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:30,822 INFO L459 AbstractCegarLoop]: Abstraction has 1542 states and 1545 transitions. [2018-04-10 02:53:30,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-04-10 02:53:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1545 transitions. [2018-04-10 02:53:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1509 [2018-04-10 02:53:30,833 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:30,834 INFO L355 BasicCegarLoop]: trace histogram [149, 135, 134, 134, 134, 134, 134, 134, 134, 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] [2018-04-10 02:53:30,834 INFO L408 AbstractCegarLoop]: === Iteration 46 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:30,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1918304704, now seen corresponding path program 28 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 [2018-04-10 02:53:30,840 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:31,117 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 86327 backedges. 16870 proven. 990 refuted. 0 times theorem prover too weak. 68467 trivial. 0 not checked. [2018-04-10 02:53:32,208 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 86327 backedges. 16870 proven. 990 refuted. 0 times theorem prover too weak. 68467 trivial. 0 not checked. [2018-04-10 02:53:34,379 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:34,380 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2018-04-10 02:53:34,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-10 02:53:34,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-10 02:53:34,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=3426, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 02:53:34,382 INFO L87 Difference]: Start difference. First operand 1542 states and 1545 transitions. Second operand 64 states. [2018-04-10 02:53:36,463 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 124 DAG size of output 12 [2018-04-10 02:53:40,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:40,363 INFO L93 Difference]: Finished difference Result 1755 states and 1789 transitions. [2018-04-10 02:53:40,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-10 02:53:40,363 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 1508 [2018-04-10 02:53:40,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:40,369 INFO L225 Difference]: With dead ends: 1755 [2018-04-10 02:53:40,369 INFO L226 Difference]: Without dead ends: 1754 [2018-04-10 02:53:40,371 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3091 GetRequests, 2969 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2010 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=3518, Invalid=11734, Unknown=0, NotChecked=0, Total=15252 [2018-04-10 02:53:40,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2018-04-10 02:53:40,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1685. [2018-04-10 02:53:40,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1685 states. [2018-04-10 02:53:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 1719 transitions. [2018-04-10 02:53:40,411 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 1719 transitions. Word has length 1508 [2018-04-10 02:53:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:40,411 INFO L459 AbstractCegarLoop]: Abstraction has 1685 states and 1719 transitions. [2018-04-10 02:53:40,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-10 02:53:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1719 transitions. [2018-04-10 02:53:40,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1510 [2018-04-10 02:53:40,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:40,426 INFO L355 BasicCegarLoop]: trace histogram [149, 135, 135, 134, 134, 134, 134, 134, 134, 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] [2018-04-10 02:53:40,426 INFO L408 AbstractCegarLoop]: === Iteration 47 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:40,426 INFO L82 PathProgramCache]: Analyzing trace with hash 662096544, now seen corresponding path program 3 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) [2018-04-10 02:53:40,442 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:53:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:40,789 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:53:40,792 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 [2018-04-10 02:53:40,792 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:53:40,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:53:40,795 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-10 02:53:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 86461 backedges. 17059 proven. 1005 refuted. 0 times theorem prover too weak. 68397 trivial. 0 not checked. [2018-04-10 02:53:45,491 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:53:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 86461 backedges. 17059 proven. 1005 refuted. 0 times theorem prover too weak. 68397 trivial. 0 not checked. [2018-04-10 02:53:48,333 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:53:48,333 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 70 [2018-04-10 02:53:48,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-10 02:53:48,334 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-10 02:53:48,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=719, Invalid=4251, Unknown=0, NotChecked=0, Total=4970 [2018-04-10 02:53:48,335 INFO L87 Difference]: Start difference. First operand 1685 states and 1719 transitions. Second operand 71 states. [2018-04-10 02:53:51,815 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 124 DAG size of output 27 [2018-04-10 02:53:52,100 WARN L151 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 120 DAG size of output 26 [2018-04-10 02:53:52,366 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 117 DAG size of output 27 [2018-04-10 02:53:52,656 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 113 DAG size of output 26 [2018-04-10 02:53:52,909 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 110 DAG size of output 27 [2018-04-10 02:53:53,198 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 106 DAG size of output 26 [2018-04-10 02:53:53,496 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 103 DAG size of output 27 [2018-04-10 02:53:53,814 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 99 DAG size of output 26 [2018-04-10 02:53:55,593 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 71 DAG size of output 26 [2018-04-10 02:53:57,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:53:57,686 INFO L93 Difference]: Finished difference Result 1738 states and 1772 transitions. [2018-04-10 02:53:57,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-10 02:53:57,687 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 1509 [2018-04-10 02:53:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:53:57,692 INFO L225 Difference]: With dead ends: 1738 [2018-04-10 02:53:57,693 INFO L226 Difference]: Without dead ends: 1737 [2018-04-10 02:53:57,694 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3081 GetRequests, 2922 SyntacticMatches, 27 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3429 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=4094, Invalid=13728, Unknown=0, NotChecked=0, Total=17822 [2018-04-10 02:53:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2018-04-10 02:53:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1686. [2018-04-10 02:53:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2018-04-10 02:53:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1705 transitions. [2018-04-10 02:53:57,735 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1705 transitions. Word has length 1509 [2018-04-10 02:53:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:53:57,736 INFO L459 AbstractCegarLoop]: Abstraction has 1686 states and 1705 transitions. [2018-04-10 02:53:57,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-10 02:53:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1705 transitions. [2018-04-10 02:53:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1528 [2018-04-10 02:53:57,747 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:53:57,748 INFO L355 BasicCegarLoop]: trace histogram [149, 134, 134, 134, 134, 134, 134, 134, 134, 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] [2018-04-10 02:53:57,748 INFO L408 AbstractCegarLoop]: === Iteration 48 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:53:57,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1513607392, now seen corresponding path program 7 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 [2018-04-10 02:53:57,756 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:53:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:53:58,052 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 86349 backedges. 17915 proven. 975 refuted. 0 times theorem prover too weak. 67459 trivial. 0 not checked. [2018-04-10 02:54:00,124 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:00,242 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 86 [2018-04-10 02:54:00,522 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 88 [2018-04-10 02:54:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 86349 backedges. 17915 proven. 975 refuted. 0 times theorem prover too weak. 67459 trivial. 0 not checked. [2018-04-10 02:54:02,656 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:02,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64] total 96 [2018-04-10 02:54:02,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-04-10 02:54:02,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-04-10 02:54:02,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1186, Invalid=7934, Unknown=0, NotChecked=0, Total=9120 [2018-04-10 02:54:02,659 INFO L87 Difference]: Start difference. First operand 1686 states and 1705 transitions. Second operand 96 states. [2018-04-10 02:54:04,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:04,977 INFO L93 Difference]: Finished difference Result 2022 states and 2059 transitions. [2018-04-10 02:54:04,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-04-10 02:54:04,978 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 1527 [2018-04-10 02:54:04,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:04,982 INFO L225 Difference]: With dead ends: 2022 [2018-04-10 02:54:04,982 INFO L226 Difference]: Without dead ends: 1696 [2018-04-10 02:54:04,986 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3128 GetRequests, 2929 SyntacticMatches, 31 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11474 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4685, Invalid=24045, Unknown=0, NotChecked=0, Total=28730 [2018-04-10 02:54:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2018-04-10 02:54:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1686. [2018-04-10 02:54:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1686 states. [2018-04-10 02:54:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1704 transitions. [2018-04-10 02:54:05,024 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1704 transitions. Word has length 1527 [2018-04-10 02:54:05,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:05,026 INFO L459 AbstractCegarLoop]: Abstraction has 1686 states and 1704 transitions. [2018-04-10 02:54:05,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-04-10 02:54:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1704 transitions. [2018-04-10 02:54:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1537 [2018-04-10 02:54:05,044 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:05,044 INFO L355 BasicCegarLoop]: trace histogram [150, 135, 135, 135, 135, 135, 135, 135, 135, 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] [2018-04-10 02:54:05,045 INFO L408 AbstractCegarLoop]: === Iteration 49 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1627225773, now seen corresponding path program 8 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 [2018-04-10 02:54:05,059 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:05,337 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 87585 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 86505 trivial. 0 not checked. [2018-04-10 02:54:06,305 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 87585 backedges. 0 proven. 1080 refuted. 0 times theorem prover too weak. 86505 trivial. 0 not checked. [2018-04-10 02:54:07,826 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:07,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2018-04-10 02:54:07,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-10 02:54:07,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-10 02:54:07,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=2976, Unknown=0, NotChecked=0, Total=4032 [2018-04-10 02:54:07,829 INFO L87 Difference]: Start difference. First operand 1686 states and 1704 transitions. Second operand 64 states. [2018-04-10 02:54:10,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:10,041 INFO L93 Difference]: Finished difference Result 1882 states and 1933 transitions. [2018-04-10 02:54:10,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-10 02:54:10,041 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 1536 [2018-04-10 02:54:10,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:10,049 INFO L225 Difference]: With dead ends: 1882 [2018-04-10 02:54:10,049 INFO L226 Difference]: Without dead ends: 1862 [2018-04-10 02:54:10,052 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3131 GetRequests, 3009 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3257 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4867, Invalid=10385, Unknown=0, NotChecked=0, Total=15252 [2018-04-10 02:54:10,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2018-04-10 02:54:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1846. [2018-04-10 02:54:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1846 states. [2018-04-10 02:54:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1846 states and 1880 transitions. [2018-04-10 02:54:10,136 INFO L78 Accepts]: Start accepts. Automaton has 1846 states and 1880 transitions. Word has length 1536 [2018-04-10 02:54:10,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:10,138 INFO L459 AbstractCegarLoop]: Abstraction has 1846 states and 1880 transitions. [2018-04-10 02:54:10,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-10 02:54:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 1880 transitions. [2018-04-10 02:54:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1653 [2018-04-10 02:54:10,160 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:10,161 INFO L355 BasicCegarLoop]: trace histogram [165, 151, 150, 150, 150, 150, 150, 150, 150, 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] [2018-04-10 02:54:10,161 INFO L408 AbstractCegarLoop]: === Iteration 50 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:10,161 INFO L82 PathProgramCache]: Analyzing trace with hash 777062720, now seen corresponding path program 29 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 [2018-04-10 02:54:10,171 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:10,628 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 107199 backedges. 37842 proven. 966 refuted. 0 times theorem prover too weak. 68391 trivial. 0 not checked. [2018-04-10 02:54:14,744 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 107199 backedges. 37842 proven. 966 refuted. 0 times theorem prover too weak. 68391 trivial. 0 not checked. [2018-04-10 02:54:17,301 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:17,301 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 99 [2018-04-10 02:54:17,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-04-10 02:54:17,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-04-10 02:54:17,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=8477, Unknown=0, NotChecked=0, Total=9702 [2018-04-10 02:54:17,305 INFO L87 Difference]: Start difference. First operand 1846 states and 1880 transitions. Second operand 99 states. [2018-04-10 02:54:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:20,940 INFO L93 Difference]: Finished difference Result 2489 states and 2557 transitions. [2018-04-10 02:54:20,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-10 02:54:20,940 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 1652 [2018-04-10 02:54:20,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:20,945 INFO L225 Difference]: With dead ends: 2489 [2018-04-10 02:54:20,945 INFO L226 Difference]: Without dead ends: 2008 [2018-04-10 02:54:20,950 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3379 GetRequests, 3175 SyntacticMatches, 31 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8056 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=4948, Invalid=25502, Unknown=0, NotChecked=0, Total=30450 [2018-04-10 02:54:20,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2018-04-10 02:54:20,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 2000. [2018-04-10 02:54:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2000 states. [2018-04-10 02:54:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2033 transitions. [2018-04-10 02:54:20,994 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2033 transitions. Word has length 1652 [2018-04-10 02:54:20,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:20,996 INFO L459 AbstractCegarLoop]: Abstraction has 2000 states and 2033 transitions. [2018-04-10 02:54:20,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-04-10 02:54:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2033 transitions. [2018-04-10 02:54:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1817 [2018-04-10 02:54:21,021 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:21,022 INFO L355 BasicCegarLoop]: trace histogram [182, 167, 166, 166, 166, 166, 166, 166, 166, 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] [2018-04-10 02:54:21,022 INFO L408 AbstractCegarLoop]: === Iteration 51 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:21,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1708273681, now seen corresponding path program 30 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 [2018-04-10 02:54:21,029 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:21,343 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 130998 backedges. 42550 proven. 1110 refuted. 0 times theorem prover too weak. 87338 trivial. 0 not checked. [2018-04-10 02:54:24,054 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 130998 backedges. 42550 proven. 1110 refuted. 0 times theorem prover too weak. 87338 trivial. 0 not checked. [2018-04-10 02:54:26,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:26,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70] total 105 [2018-04-10 02:54:26,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-04-10 02:54:26,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-04-10 02:54:26,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1369, Invalid=9551, Unknown=0, NotChecked=0, Total=10920 [2018-04-10 02:54:26,962 INFO L87 Difference]: Start difference. First operand 2000 states and 2033 transitions. Second operand 105 states. [2018-04-10 02:54:30,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:30,662 INFO L93 Difference]: Finished difference Result 2645 states and 2712 transitions. [2018-04-10 02:54:30,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-04-10 02:54:30,662 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 1816 [2018-04-10 02:54:30,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:30,667 INFO L225 Difference]: With dead ends: 2645 [2018-04-10 02:54:30,668 INFO L226 Difference]: Without dead ends: 2174 [2018-04-10 02:54:30,673 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3712 GetRequests, 3495 SyntacticMatches, 33 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9154 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=5563, Invalid=28847, Unknown=0, NotChecked=0, Total=34410 [2018-04-10 02:54:30,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2018-04-10 02:54:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2163. [2018-04-10 02:54:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2163 states. [2018-04-10 02:54:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 2196 transitions. [2018-04-10 02:54:30,728 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 2196 transitions. Word has length 1816 [2018-04-10 02:54:30,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:30,729 INFO L459 AbstractCegarLoop]: Abstraction has 2163 states and 2196 transitions. [2018-04-10 02:54:30,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-04-10 02:54:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2196 transitions. [2018-04-10 02:54:30,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1981 [2018-04-10 02:54:30,762 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:30,763 INFO L355 BasicCegarLoop]: trace histogram [199, 183, 182, 182, 182, 182, 182, 182, 182, 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] [2018-04-10 02:54:30,763 INFO L408 AbstractCegarLoop]: === Iteration 52 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:30,763 INFO L82 PathProgramCache]: Analyzing trace with hash -2068366562, now seen corresponding path program 31 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 [2018-04-10 02:54:30,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:31,155 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 157185 backedges. 65260 proven. 1112 refuted. 0 times theorem prover too weak. 90813 trivial. 0 not checked. [2018-04-10 02:54:33,829 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 157185 backedges. 65260 proven. 1112 refuted. 0 times theorem prover too weak. 90813 trivial. 0 not checked. [2018-04-10 02:54:36,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:36,834 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 102 [2018-04-10 02:54:36,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-04-10 02:54:36,835 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-04-10 02:54:36,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=8974, Unknown=0, NotChecked=0, Total=10302 [2018-04-10 02:54:36,836 INFO L87 Difference]: Start difference. First operand 2163 states and 2196 transitions. Second operand 102 states. [2018-04-10 02:54:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:38,974 INFO L93 Difference]: Finished difference Result 2650 states and 2728 transitions. [2018-04-10 02:54:38,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-04-10 02:54:38,974 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 1980 [2018-04-10 02:54:38,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:38,978 INFO L225 Difference]: With dead ends: 2650 [2018-04-10 02:54:38,978 INFO L226 Difference]: Without dead ends: 2173 [2018-04-10 02:54:38,982 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4039 GetRequests, 3827 SyntacticMatches, 33 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13079 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5292, Invalid=27288, Unknown=0, NotChecked=0, Total=32580 [2018-04-10 02:54:38,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2018-04-10 02:54:39,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 2163. [2018-04-10 02:54:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2163 states. [2018-04-10 02:54:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 2194 transitions. [2018-04-10 02:54:39,028 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 2194 transitions. Word has length 1980 [2018-04-10 02:54:39,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:39,029 INFO L459 AbstractCegarLoop]: Abstraction has 2163 states and 2194 transitions. [2018-04-10 02:54:39,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-04-10 02:54:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2194 transitions. [2018-04-10 02:54:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1990 [2018-04-10 02:54:39,047 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:39,048 INFO L355 BasicCegarLoop]: trace histogram [200, 184, 183, 183, 183, 183, 183, 183, 183, 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] [2018-04-10 02:54:39,048 INFO L408 AbstractCegarLoop]: === Iteration 53 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:39,048 INFO L82 PathProgramCache]: Analyzing trace with hash -544227405, now seen corresponding path program 32 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 [2018-04-10 02:54:39,054 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:39,382 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:42,320 INFO L134 CoverageAnalysis]: Checked inductivity of 158858 backedges. 47531 proven. 1264 refuted. 0 times theorem prover too weak. 110063 trivial. 0 not checked. [2018-04-10 02:54:42,320 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:45,830 INFO L134 CoverageAnalysis]: Checked inductivity of 158858 backedges. 47531 proven. 1264 refuted. 0 times theorem prover too weak. 110063 trivial. 0 not checked. [2018-04-10 02:54:45,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:45,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 74] total 111 [2018-04-10 02:54:45,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-04-10 02:54:45,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-04-10 02:54:45,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1521, Invalid=10689, Unknown=0, NotChecked=0, Total=12210 [2018-04-10 02:54:45,856 INFO L87 Difference]: Start difference. First operand 2163 states and 2194 transitions. Second operand 111 states. [2018-04-10 02:54:50,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:54:50,562 INFO L93 Difference]: Finished difference Result 2807 states and 2870 transitions. [2018-04-10 02:54:50,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-04-10 02:54:50,563 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 1989 [2018-04-10 02:54:50,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:54:50,568 INFO L225 Difference]: With dead ends: 2807 [2018-04-10 02:54:50,569 INFO L226 Difference]: Without dead ends: 2346 [2018-04-10 02:54:50,577 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4063 GetRequests, 3833 SyntacticMatches, 35 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10322 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=6214, Invalid=32398, Unknown=0, NotChecked=0, Total=38612 [2018-04-10 02:54:50,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2018-04-10 02:54:50,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 2335. [2018-04-10 02:54:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2018-04-10 02:54:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2366 transitions. [2018-04-10 02:54:50,665 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2366 transitions. Word has length 1989 [2018-04-10 02:54:50,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:54:50,667 INFO L459 AbstractCegarLoop]: Abstraction has 2335 states and 2366 transitions. [2018-04-10 02:54:50,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-04-10 02:54:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2366 transitions. [2018-04-10 02:54:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2163 [2018-04-10 02:54:50,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:54:50,705 INFO L355 BasicCegarLoop]: trace histogram [218, 201, 200, 200, 200, 200, 200, 200, 200, 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] [2018-04-10 02:54:50,705 INFO L408 AbstractCegarLoop]: === Iteration 54 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:54:50,706 INFO L82 PathProgramCache]: Analyzing trace with hash -186196369, now seen corresponding path program 33 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 [2018-04-10 02:54:50,717 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:54:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:54:51,156 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:54:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 189407 backedges. 74491 proven. 1258 refuted. 0 times theorem prover too weak. 113658 trivial. 0 not checked. [2018-04-10 02:54:54,314 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:54:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 189407 backedges. 74491 proven. 1258 refuted. 0 times theorem prover too weak. 113658 trivial. 0 not checked. [2018-04-10 02:54:57,749 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:54:57,749 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72] total 108 [2018-04-10 02:54:57,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-04-10 02:54:57,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-04-10 02:54:57,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1478, Invalid=10078, Unknown=0, NotChecked=0, Total=11556 [2018-04-10 02:54:57,751 INFO L87 Difference]: Start difference. First operand 2335 states and 2366 transitions. Second operand 108 states. [2018-04-10 02:55:00,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:55:00,593 INFO L93 Difference]: Finished difference Result 2812 states and 2885 transitions. [2018-04-10 02:55:00,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-04-10 02:55:00,594 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 2162 [2018-04-10 02:55:00,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:55:00,613 INFO L225 Difference]: With dead ends: 2812 [2018-04-10 02:55:00,613 INFO L226 Difference]: Without dead ends: 2345 [2018-04-10 02:55:00,623 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4408 GetRequests, 4183 SyntacticMatches, 35 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14789 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=5936, Invalid=30736, Unknown=0, NotChecked=0, Total=36672 [2018-04-10 02:55:00,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2018-04-10 02:55:00,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2335. [2018-04-10 02:55:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2335 states. [2018-04-10 02:55:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 2364 transitions. [2018-04-10 02:55:00,721 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 2364 transitions. Word has length 2162 [2018-04-10 02:55:00,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:55:00,722 INFO L459 AbstractCegarLoop]: Abstraction has 2335 states and 2364 transitions. [2018-04-10 02:55:00,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-04-10 02:55:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2364 transitions. [2018-04-10 02:55:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2172 [2018-04-10 02:55:00,749 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:55:00,750 INFO L355 BasicCegarLoop]: trace histogram [219, 202, 201, 201, 201, 201, 201, 201, 201, 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] [2018-04-10 02:55:00,750 INFO L408 AbstractCegarLoop]: === Iteration 55 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:55:00,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1115965314, now seen corresponding path program 34 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 [2018-04-10 02:55:00,783 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:55:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:55:01,245 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:55:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 191244 backedges. 52785 proven. 1428 refuted. 0 times theorem prover too weak. 137031 trivial. 0 not checked. [2018-04-10 02:55:04,852 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:55:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 191244 backedges. 52785 proven. 1428 refuted. 0 times theorem prover too weak. 137031 trivial. 0 not checked. [2018-04-10 02:55:08,674 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:55:08,675 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 78] total 117 [2018-04-10 02:55:08,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-04-10 02:55:08,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-04-10 02:55:08,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1681, Invalid=11891, Unknown=0, NotChecked=0, Total=13572 [2018-04-10 02:55:08,677 INFO L87 Difference]: Start difference. First operand 2335 states and 2364 transitions. Second operand 117 states. [2018-04-10 02:55:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:55:13,976 INFO L93 Difference]: Finished difference Result 2978 states and 3037 transitions. [2018-04-10 02:55:13,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-04-10 02:55:13,976 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 2171 [2018-04-10 02:55:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:55:13,983 INFO L225 Difference]: With dead ends: 2978 [2018-04-10 02:55:13,983 INFO L226 Difference]: Without dead ends: 2527 [2018-04-10 02:55:13,989 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4432 GetRequests, 4189 SyntacticMatches, 37 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11560 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=6901, Invalid=36155, Unknown=0, NotChecked=0, Total=43056 [2018-04-10 02:55:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2018-04-10 02:55:14,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2516. [2018-04-10 02:55:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2516 states. [2018-04-10 02:55:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2545 transitions. [2018-04-10 02:55:14,083 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2545 transitions. Word has length 2171 [2018-04-10 02:55:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:55:14,085 INFO L459 AbstractCegarLoop]: Abstraction has 2516 states and 2545 transitions. [2018-04-10 02:55:14,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-04-10 02:55:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2545 transitions. [2018-04-10 02:55:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2354 [2018-04-10 02:55:14,126 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:55:14,127 INFO L355 BasicCegarLoop]: trace histogram [238, 220, 219, 219, 219, 219, 219, 219, 219, 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] [2018-04-10 02:55:14,127 INFO L408 AbstractCegarLoop]: === Iteration 56 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:55:14,127 INFO L82 PathProgramCache]: Analyzing trace with hash 686198289, now seen corresponding path program 35 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 [2018-04-10 02:55:14,140 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:55:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:55:14,641 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:55:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 226638 backedges. 84488 proven. 1413 refuted. 0 times theorem prover too weak. 140737 trivial. 0 not checked. [2018-04-10 02:55:18,199 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:55:18,342 WARN L148 SmtUtils]: Spent 135ms on a formula simplification that was a NOOP. DAG size: 101 [2018-04-10 02:55:18,464 WARN L148 SmtUtils]: Spent 121ms on a formula simplification that was a NOOP. DAG size: 101 [2018-04-10 02:55:18,577 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 103 [2018-04-10 02:55:18,689 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 103 [2018-04-10 02:55:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 226638 backedges. 84488 proven. 1413 refuted. 0 times theorem prover too weak. 140737 trivial. 0 not checked. [2018-04-10 02:55:22,213 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:55:22,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76] total 114 [2018-04-10 02:55:22,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-04-10 02:55:22,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-04-10 02:55:22,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1636, Invalid=11246, Unknown=0, NotChecked=0, Total=12882 [2018-04-10 02:55:22,216 INFO L87 Difference]: Start difference. First operand 2516 states and 2545 transitions. Second operand 114 states. [2018-04-10 02:55:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:55:25,393 INFO L93 Difference]: Finished difference Result 2983 states and 3051 transitions. [2018-04-10 02:55:25,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-04-10 02:55:25,393 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 2353 [2018-04-10 02:55:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:55:25,398 INFO L225 Difference]: With dead ends: 2983 [2018-04-10 02:55:25,398 INFO L226 Difference]: Without dead ends: 2526 [2018-04-10 02:55:25,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4795 GetRequests, 4557 SyntacticMatches, 37 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16604 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=6617, Invalid=34389, Unknown=0, NotChecked=0, Total=41006 [2018-04-10 02:55:25,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2526 states. [2018-04-10 02:55:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2526 to 2516. [2018-04-10 02:55:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2516 states. [2018-04-10 02:55:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 2543 transitions. [2018-04-10 02:55:25,499 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 2543 transitions. Word has length 2353 [2018-04-10 02:55:25,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:55:25,500 INFO L459 AbstractCegarLoop]: Abstraction has 2516 states and 2543 transitions. [2018-04-10 02:55:25,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-04-10 02:55:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2543 transitions. [2018-04-10 02:55:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2363 [2018-04-10 02:55:25,540 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:55:25,541 INFO L355 BasicCegarLoop]: trace histogram [239, 221, 220, 220, 220, 220, 220, 220, 220, 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] [2018-04-10 02:55:25,541 INFO L408 AbstractCegarLoop]: === Iteration 57 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:55:25,541 INFO L82 PathProgramCache]: Analyzing trace with hash -399307232, now seen corresponding path program 36 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 [2018-04-10 02:55:25,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:55:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:55:25,966 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:55:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 228648 backedges. 58312 proven. 1602 refuted. 0 times theorem prover too weak. 168734 trivial. 0 not checked. [2018-04-10 02:55:29,519 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:55:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 228648 backedges. 58312 proven. 1602 refuted. 0 times theorem prover too weak. 168734 trivial. 0 not checked. [2018-04-10 02:55:33,428 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:55:33,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 82] total 123 [2018-04-10 02:55:33,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-04-10 02:55:33,431 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-04-10 02:55:33,431 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1849, Invalid=13157, Unknown=0, NotChecked=0, Total=15006 [2018-04-10 02:55:33,431 INFO L87 Difference]: Start difference. First operand 2516 states and 2543 transitions. Second operand 123 states. [2018-04-10 02:55:38,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:55:38,859 INFO L93 Difference]: Finished difference Result 3158 states and 3213 transitions. [2018-04-10 02:55:38,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-04-10 02:55:38,859 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 2362 [2018-04-10 02:55:38,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:55:38,865 INFO L225 Difference]: With dead ends: 3158 [2018-04-10 02:55:38,865 INFO L226 Difference]: Without dead ends: 2717 [2018-04-10 02:55:38,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4819 GetRequests, 4563 SyntacticMatches, 39 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12868 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=7624, Invalid=40118, Unknown=0, NotChecked=0, Total=47742 [2018-04-10 02:55:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2018-04-10 02:55:38,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2706. [2018-04-10 02:55:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2706 states. [2018-04-10 02:55:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 2733 transitions. [2018-04-10 02:55:38,928 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 2733 transitions. Word has length 2362 [2018-04-10 02:55:38,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:55:38,929 INFO L459 AbstractCegarLoop]: Abstraction has 2706 states and 2733 transitions. [2018-04-10 02:55:38,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-04-10 02:55:38,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 2733 transitions. [2018-04-10 02:55:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2554 [2018-04-10 02:55:38,959 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:55:38,960 INFO L355 BasicCegarLoop]: trace histogram [259, 240, 239, 239, 239, 239, 239, 239, 239, 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] [2018-04-10 02:55:38,960 INFO L408 AbstractCegarLoop]: === Iteration 58 === [__U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr0AssertViolationARRAY_INDEX, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr2RequiresViolation, __U_MULTI_fArraysWithLenghtAtDeclaration_false_valid_deref_read_c__fooErr1RequiresViolation, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-10 02:55:38,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1101515714, now seen corresponding path program 37 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 [2018-04-10 02:55:38,966 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:55:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:55:39,404 INFO L270 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2018-04-10 02:55:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 269397 backedges. 95278 proven. 1577 refuted. 0 times theorem prover too weak. 172542 trivial. 0 not checked. [2018-04-10 02:55:43,447 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:55:43,455 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-10 02:55:43,456 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-10 02:55:43,459 WARN L197 ceAbstractionStarter]: Timeout [2018-04-10 02:55:43,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 02:55:43 BasicIcfg [2018-04-10 02:55:43,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 02:55:43,460 INFO L168 Benchmark]: Toolchain (without parser) took 233120.95 ms. Allocated memory was 297.3 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 238.1 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 605.7 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,460 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 297.3 MB. Free memory is still 259.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 02:55:43,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.47 ms. Allocated memory is still 297.3 MB. Free memory was 238.1 MB in the beginning and 228.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,461 INFO L168 Benchmark]: Boogie Preprocessor took 38.73 ms. Allocated memory is still 297.3 MB. Free memory was 228.2 MB in the beginning and 226.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,461 INFO L168 Benchmark]: RCFGBuilder took 328.19 ms. Allocated memory was 297.3 MB in the beginning and 450.4 MB in the end (delta: 153.1 MB). Free memory was 226.1 MB in the beginning and 416.9 MB in the end (delta: -190.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,461 INFO L168 Benchmark]: IcfgTransformer took 2489.72 ms. Allocated memory was 450.4 MB in the beginning and 502.8 MB in the end (delta: 52.4 MB). Free memory was 416.9 MB in the beginning and 393.9 MB in the end (delta: 23.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,461 INFO L168 Benchmark]: TraceAbstraction took 229992.24 ms. Allocated memory was 502.8 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 393.9 MB in the beginning and 1.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 556.0 MB. Max. memory is 5.3 GB. [2018-04-10 02:55:43,463 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 297.3 MB. Free memory is still 259.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 266.47 ms. Allocated memory is still 297.3 MB. Free memory was 238.1 MB in the beginning and 228.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.73 ms. Allocated memory is still 297.3 MB. Free memory was 228.2 MB in the beginning and 226.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 328.19 ms. Allocated memory was 297.3 MB in the beginning and 450.4 MB in the end (delta: 153.1 MB). Free memory was 226.1 MB in the beginning and 416.9 MB in the end (delta: -190.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB. * IcfgTransformer took 2489.72 ms. Allocated memory was 450.4 MB in the beginning and 502.8 MB in the end (delta: 52.4 MB). Free memory was 416.9 MB in the beginning and 393.9 MB in the end (delta: 23.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 229992.24 ms. Allocated memory was 502.8 MB in the beginning and 2.3 GB in the end (delta: 1.8 GB). Free memory was 393.9 MB in the beginning and 1.6 GB in the end (delta: -1.2 GB). Peak memory consumption was 556.0 MB. 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 : 390 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) : 626.11 RENAME_VARIABLES(MILLISECONDS) : 117.39 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 619.51 PROJECTAWAY(MILLISECONDS) : 485.42 ADD_WEAK_EQUALITY(MILLISECONDS) : 6.74 DISJOIN(MILLISECONDS) : 29.12 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 128.99 ADD_EQUALITY(MILLISECONDS) : 9.84 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.24 #CONJOIN_DISJUNCTIVE : 201 #RENAME_VARIABLES : 424 #UNFREEZE : 0 #CONJOIN : 261 #PROJECTAWAY : 305 #ADD_WEAK_EQUALITY : 7 #DISJOIN : 34 #RENAME_VARIABLES_DISJUNCTIVE : 420 #ADD_EQUALITY : 56 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 975.07 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 614.97 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 6.59 JOIN(MILLISECONDS) : 26.61 RENAMEVARS(MILLISECONDS) : 111.12 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 744.21 ISLABELSTRONGERTHAN(MILLISECONDS) : 82.46 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 11.79 UNFREEZE(MILLISECONDS) : 24.53 REPORTCONTAINS(MILLISECONDS) : 0.30 PROJECTAWAY(MILLISECONDS) : 426.94 MEETEDGELABELS(MILLISECONDS) : 73.62 REPORTEQUALITY(MILLISECONDS) : 191.48 ADDALLNODES(MILLISECONDS) : 125.44 REPORTDISEQUALITY(MILLISECONDS) : 2.04 WEQGRAPHJOIN(MILLISECONDS) : 5.70 #FREEZE : 1337 #ADDNODE : 0 #MEET : 166 #FILTERREDUNDANT : 0 #REPORTWEQ : 7 #JOIN : 34 #RENAMEVARS : 424 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 367 #ISLABELSTRONGERTHAN : 2930 #ISWEQGRAPHSTRONGERTHAN : 110 #UNFREEZE : 954 #REPORTCONTAINS : 9 #PROJECTAWAY : 364 #MEETEDGELABELS : 589 #REPORTEQUALITY : 1150 #ADDALLNODES : 166 #REPORTDISEQUALITY : 307 #WEQGRAPHJOIN : 34 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 390.53 REPORT_EQUALITY(MILLISECONDS) : 107.87 FILTERREDUNDANT(MILLISECONDS) : 351.90 ADD_ALL_ELEMENTS(MILLISECONDS) : 58.66 JOIN(MILLISECONDS) : 16.16 ALIGN_ELEMENTS(MILLISECONDS) : 80.48 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 41.57 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 784.81 REPORTCONTAINS(MILLISECONDS) : 4.17 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 152.02 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 176.63 #ADDNODE : 0 #MEET : 1591 #REPORT_EQUALITY : 8632 #FILTERREDUNDANT : 9360 #ADD_ALL_ELEMENTS : 3112 #JOIN : 34 #ALIGN_ELEMENTS : 683 #COPY : 0 #REPORT_DISEQUALITY : 3645 #UNFREEZE : 0 #OVERALL : 36641 #REPORTCONTAINS : 170 #IS_STRONGER_THAN_NO_CACHING : 7686 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 1728 * 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: 18]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 30). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 27). Cancelled while BasicCegarLoop was analyzing trace of length 2554 with TraceHistMax 259, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was doing sequential composition of 180 TransFormulas, while SimplifyDDAWithTimeout was simplifying term of DAG size 106. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 6 error locations. TIMEOUT Result, 229.9s OverallTime, 58 OverallIterations, 259 TraceHistogramMax, 92.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4903 SDtfs, 34083 SDslu, 67572 SDs, 0 SdLazy, 64428 SolverSat, 7496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87578 GetRequests, 81828 SyntacticMatches, 809 SemanticMatches, 4941 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206902 ImplicationChecksByTransitivity, 116.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2706occurred 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: 1.6s AutomataMinimizationTime, 57 MinimizatonAttempts, 802 StatesRemovedByMinimization, 56 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.4s SsaConstructionTime, 6.6s SatisfiabilityAnalysisTime, 120.6s InterpolantComputationTime, 42716 NumberOfCodeBlocks, 42716 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 85318 ConstructedInterpolants, 1579 QuantifiedInterpolants, 220513096 SizeOfPredicates, 1712 NumberOfNonLiveVariables, 77637 ConjunctsInSsa, 1981 ConjunctsInUnsatCore, 114 InterpolantComputations, 15 PerfectInterpolantSequences, 4660752/4707330 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_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-10_02-55-43-477.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_false-valid-deref-read.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_02-55-43-477.csv Completed graceful shutdown