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/ArraysOfVariableLength_true-valid-memsafety.c
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This is Ultimate 0.1.23-8168ed2-m
[2018-04-12 04:12:00,706 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-04-12 04:12:00,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
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[2018-04-12 04:12:00,735 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-04-12 04:12:00,737 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-04-12 04:12:00,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-04-12 04:12:00,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2018-04-12 04:12:00,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-04-12 04:12:00,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-04-12 04:12:00,750 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf
[2018-04-12 04:12:00,990 INFO L110 SettingsManager]: Loading preferences was successful
[2018-04-12 04:12:00,990 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-04-12 04:12:00,991 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2018-04-12 04:12:00,991 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG;
[2018-04-12 04:12:00,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-04-12 04:12:00,992 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-04-12 04:12:00,992 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-04-12 04:12:00,992 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-04-12 04:12:00,992 INFO L133 SettingsManager]: * Parallel states before merging=1
[2018-04-12 04:12:00,993 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-04-12 04:12:00,993 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults:
[2018-04-12 04:12:00,993 INFO L133 SettingsManager]: * Property to check=[] a
a: x > 42
[2018-04-12 04:12:00,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-04-12 04:12:00,994 INFO L133 SettingsManager]: * sizeof long=4
[2018-04-12 04:12:00,994 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-04-12 04:12:00,994 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-04-12 04:12:00,994 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-04-12 04:12:00,994 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-04-12 04:12:00,995 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-04-12 04:12:00,995 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-04-12 04:12:00,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-04-12 04:12:00,995 INFO L133 SettingsManager]: * sizeof long double=12
[2018-04-12 04:12:00,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-04-12 04:12:00,996 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-04-12 04:12:00,996 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-04-12 04:12:00,996 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-04-12 04:12:00,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-12 04:12:00,996 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:00,997 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-04-12 04:12:00,998 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-04-12 04:12:00,998 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-04-12 04:12:00,998 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults:
[2018-04-12 04:12:00,998 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\
[2018-04-12 04:12:01,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-04-12 04:12:01,049 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-04-12 04:12:01,052 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-04-12 04:12:01,053 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-04-12 04:12:01,054 INFO L276 PluginConnector]: CDTParser initialized
[2018-04-12 04:12:01,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength_true-valid-memsafety.c
[2018-04-12 04:12:01,398 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG03d0f76b2
[2018-04-12 04:12:01,517 INFO L287 CDTParser]: IsIndexed: true
[2018-04-12 04:12:01,518 INFO L288 CDTParser]: Found 1 translation units.
[2018-04-12 04:12:01,518 INFO L168 CDTParser]: Scanning ArraysOfVariableLength_true-valid-memsafety.c
[2018-04-12 04:12:01,519 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-04-12 04:12:01,519 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-04-12 04:12:01,519 INFO L218 ultiparseSymbolTable]: Function table:
[2018-04-12 04:12:01,520 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength_true-valid-memsafety.c
[2018-04-12 04:12:01,520 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo ('foo') in ArraysOfVariableLength_true-valid-memsafety.c
[2018-04-12 04:12:01,520 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-04-12 04:12:01,520 INFO L233 ultiparseSymbolTable]: <empty global variable table>
[2018-04-12 04:12:01,547 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG03d0f76b2
[2018-04-12 04:12:01,551 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-04-12 04:12:01,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2018-04-12 04:12:01,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-04-12 04:12:01,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-04-12 04:12:01,562 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-04-12 04:12:01,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31113a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01, skipping insertion in model container
[2018-04-12 04:12:01,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,586 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-12 04:12:01,600 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-04-12 04:12:01,731 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-12 04:12:01,759 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-04-12 04:12:01,763 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-04-12 04:12:01,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01 WrapperNode
[2018-04-12 04:12:01,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-04-12 04:12:01,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-04-12 04:12:01,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-04-12 04:12:01,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-04-12 04:12:01,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
[2018-04-12 04:12:01,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-04-12 04:12:01,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-04-12 04:12:01,800 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-04-12 04:12:01,800 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-04-12 04:12:01,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (1/1) ...
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-04-12 04:12:01,863 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-04-12 04:12:01,864 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-04-12 04:12:01,864 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo
[2018-04-12 04:12:01,864 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-04-12 04:12:01,864 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo
[2018-04-12 04:12:01,864 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-04-12 04:12:01,864 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-04-12 04:12:01,864 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-04-12 04:12:01,864 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-04-12 04:12:01,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-04-12 04:12:01,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-04-12 04:12:01,865 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-04-12 04:12:01,865 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2018-04-12 04:12:02,168 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-04-12 04:12:02,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:02 BoogieIcfgContainer
[2018-04-12 04:12:02,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-04-12 04:12:02,169 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2018-04-12 04:12:02,169 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2018-04-12 04:12:02,170 INFO L276 PluginConnector]: IcfgTransformer initialized
[2018-04-12 04:12:02,172 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:02" (1/1) ...
[2018-04-12 04:12:02,179 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning
[2018-04-12 04:12:02,180 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int]
[2018-04-12 04:12:02,195 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing
[2018-04-12 04:12:02,214 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-04-12 04:12:02,215 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 2 location literals (each corresponds to one heap write)
[2018-04-12 04:12:02,223 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-04-12 04:12:02,226 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis
[2018-04-12 04:12:02,226 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map:
(Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6))) : |mll_L23''_1|
(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|) : |mll_L23''_0|
[2018-04-12 04:12:02,228 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2:
(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') : |v_main_~#b~0.base_3| : (Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)
(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') : (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)) : (Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)))
[2018-04-12 04:12:02,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1)
[2018-04-12 04:12:12,448 INFO L314 AbstractInterpreter]: Visited 71 different actions 382 times. Merged at 48 different actions 196 times. Widened at 1 different actions 1 times. Found 23 fixpoints after 8 different actions. Largest state had 31 variables.
[2018-04-12 04:12:12,451 INFO L424 apSepIcfgTransformer]: finished equality analysis
[2018-04-12 04:12:12,460 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 3
[2018-04-12 04:12:12,461 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning
[2018-04-12 04:12:12,461 INFO L435 apSepIcfgTransformer]: array groups: Set:
[#memory_int]
[2018-04-12 04:12:12,461 INFO L437 apSepIcfgTransformer]: select infos: Set:
((select (select |v_#memory_int_5| |v_main_~#b~0.base_6|) (+ |v_main_~#b~0.offset_5| (* 4 v_main_~i~1_13))), at (SUMMARY for call #t~mem5 := read~int(~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L26))
((select |v_#memory_int_4| |v_main_~#b~0.base_3|), at (SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23''))
((select (select |v_#memory_int_6| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) (+ (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6) v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 4, 4); srcloc: L15'))
[2018-04-12 04:12:12,490 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_31
[2018-04-12 04:12:12,490 DEBUG L374 HeapPartitionManager]: with contents [(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)]
[2018-04-12 04:12:12,490 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_31
[2018-04-12 04:12:12,491 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_5| |v_main_~#b~0.base_6|) (+ |v_main_~#b~0.offset_5| (* 4 v_main_~i~1_13))), at (SUMMARY for call #t~mem5 := read~int(~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L26))
[2018-04-12 04:12:12,491 DEBUG L325 HeapPartitionManager]: write locations: [(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)]
[2018-04-12 04:12:12,491 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_32
[2018-04-12 04:12:12,491 DEBUG L374 HeapPartitionManager]: with contents [(Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)))]
[2018-04-12 04:12:12,491 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_32
[2018-04-12 04:12:12,491 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_5| |v_main_~#b~0.base_6|) (+ |v_main_~#b~0.offset_5| (* 4 v_main_~i~1_13))), at (SUMMARY for call #t~mem5 := read~int(~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L26))
[2018-04-12 04:12:12,491 DEBUG L325 HeapPartitionManager]: write locations: [(Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)))]
[2018-04-12 04:12:12,492 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_31
[2018-04-12 04:12:12,492 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select |v_#memory_int_4| |v_main_~#b~0.base_3|), at (SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23''))
[2018-04-12 04:12:12,492 DEBUG L325 HeapPartitionManager]: write locations: [(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)]
[2018-04-12 04:12:12,492 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_31
[2018-04-12 04:12:12,492 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_6| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) (+ (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6) v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 4, 4); srcloc: L15'))
[2018-04-12 04:12:12,492 DEBUG L325 HeapPartitionManager]: write locations: [(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)]
[2018-04-12 04:12:12,492 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_32
[2018-04-12 04:12:12,493 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_6| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) (+ (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6) v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 4, 4); srcloc: L15'))
[2018-04-12 04:12:12,493 DEBUG L325 HeapPartitionManager]: write locations: [(Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)))]
[2018-04-12 04:12:12,493 INFO L330 HeapPartitionManager]: partitioning result:
[2018-04-12 04:12:12,493 INFO L335 HeapPartitionManager]: location blocks for array group [#memory_int]
[2018-04-12 04:12:12,493 INFO L344 HeapPartitionManager]: at dimension 0
[2018-04-12 04:12:12,493 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-04-12 04:12:12,493 INFO L346 HeapPartitionManager]: # location blocks :1
[2018-04-12 04:12:12,494 DEBUG L353 HeapPartitionManager]: location block contents:
[2018-04-12 04:12:12,494 DEBUG L356 HeapPartitionManager]: [(Store [0] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with |v_main_~#b~0.base_3|)]
[2018-04-12 04:12:12,494 INFO L344 HeapPartitionManager]: at dimension 1
[2018-04-12 04:12:12,494 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-04-12 04:12:12,494 INFO L346 HeapPartitionManager]: # location blocks :1
[2018-04-12 04:12:12,494 DEBUG L353 HeapPartitionManager]: location block contents:
[2018-04-12 04:12:12,495 DEBUG L356 HeapPartitionManager]: [(Store [1] at(SUMMARY for call write~int(#t~ret3, ~#b~0.base, ~#b~0.offset + ~i~1 * 4, 4); srcloc: L23'') with (+ |v_main_~#b~0.offset_3| (* 4 v_main_~i~1_6)))]
[2018-04-12 04:12:12,496 INFO L134 ransitionTransformer]: executing heap partitioning transformation
[2018-04-12 04:12:12,499 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,500 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,500 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,500 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,501 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,501 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,501 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,501 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,502 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,502 DEBUG L331 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base]
[2018-04-12 04:12:12,502 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,502 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,503 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,503 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,503 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,503 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,503 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,503 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,504 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,504 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,504 DEBUG L356 ransitionTransformer]: {main_~i~1=v_main_~i~1_1}
[2018-04-12 04:12:12,504 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,504 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,504 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,504 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,505 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_1| (store |v_#valid_2| 0 0)) InVars {#valid=|v_#valid_2|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid]
[2018-04-12 04:12:12,505 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,505 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,505 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,505 DEBUG L331 ransitionTransformer]: Formula: (and (= 0 |v_main_~#b~0.offset_1|) (= |v_#valid_9| (store |v_#valid_10| |v_main_~#b~0.base_1| 1)) (not (= 0 |v_main_~#b~0.base_1|)) (= 0 (select |v_#valid_10| |v_main_~#b~0.base_1|)) (= (store |v_#length_4| |v_main_~#b~0.base_1| 400) |v_#length_3|)) InVars {#length=|v_#length_4|, #valid=|v_#valid_10|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_1|, #length=|v_#length_3|, #valid=|v_#valid_9|, main_~#b~0.offset=|v_main_~#b~0.offset_1|} AuxVars[] AssignedVars[main_~#b~0.base, #valid, #length, main_~#b~0.offset]
[2018-04-12 04:12:12,505 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,505 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,506 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,506 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,506 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,506 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,506 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,506 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_2 0) InVars {} OutVars{main_~i~1=v_main_~i~1_2} AuxVars[] AssignedVars[main_~i~1]
[2018-04-12 04:12:12,506 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,507 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,507 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,507 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,507 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,507 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,507 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,508 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,508 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,508 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,508 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,508 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_3 100)) InVars {main_~i~1=v_main_~i~1_3} OutVars{main_~i~1=v_main_~i~1_3} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,508 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,508 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,509 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,509 DEBUG L331 ransitionTransformer]: Formula: (< v_main_~i~1_4 100) InVars {main_~i~1=v_main_~i~1_4} OutVars{main_~i~1=v_main_~i~1_4} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,509 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,509 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,510 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,510 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_10 0) InVars {} OutVars{main_~i~1=v_main_~i~1_10} AuxVars[] AssignedVars[main_~i~1]
[2018-04-12 04:12:12,510 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,510 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,511 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,511 DEBUG L331 ransitionTransformer]: Formula: (and (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offsetInParam_1| |v_main_~#b~0.offset_11|) (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~sizeInParam_1| v_main_~i~1_19) (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~nInParam_1| v_main_~i~1_19) (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.baseInParam_1| |v_main_~#b~0.base_13|)) InVars {main_~#b~0.base=|v_main_~#b~0.base_13|, main_~i~1=v_main_~i~1_19, main_~#b~0.offset=|v_main_~#b~0.offset_11|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_13|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~sizeInParam_1|, main_~i~1=v_main_~i~1_19, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~nInParam_1|, main_~#b~0.offset=|v_main_~#b~0.offset_11|} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n]
[2018-04-12 04:12:12,511 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,511 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,511 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~sizeInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~nInParam_1|}
[2018-04-12 04:12:12,511 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,511 DEBUG L358 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_13|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.baseInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~sizeInParam_1|, main_~i~1=v_main_~i~1_19, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offsetInParam_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~nInParam_1|, main_~#b~0.offset=|v_main_~#b~0.offset_11|}
[2018-04-12 04:12:12,512 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,512 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,512 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,512 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,512 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,513 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,513 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,513 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,513 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,514 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,514 DEBUG L331 ransitionTransformer]: Formula: (and (<= |v_main_#t~ret3_2| 2147483647) (<= 0 (+ |v_main_#t~ret3_2| 2147483648))) InVars {main_#t~ret3=|v_main_#t~ret3_2|} OutVars{main_#t~ret3=|v_main_#t~ret3_2|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,514 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,514 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,514 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,515 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n_1 |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n_1|) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n_1|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~n_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n]
[2018-04-12 04:12:12,515 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,515 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,515 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,516 DEBUG L331 ransitionTransformer]: Formula: (not (< v_main_~i~1_11 100)) InVars {main_~i~1=v_main_~i~1_11} OutVars{main_~i~1=v_main_~i~1_11} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,516 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,516 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,516 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,516 DEBUG L331 ransitionTransformer]: Formula: (< v_main_~i~1_12 100) InVars {main_~i~1=v_main_~i~1_12} OutVars{main_~i~1=v_main_~i~1_12} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,516 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,516 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,517 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,517 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_2| 0) InVars {} OutVars{main_#res=|v_main_#res_2|} AuxVars[] AssignedVars[main_#res]
[2018-04-12 04:12:12,517 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,517 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,520 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,521 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v_main_~i~1_6))) (let ((.cse1 (+ |v_main_~#b~0.offset_3| .cse0))) (and (<= (+ |v_main_~#b~0.offset_3| .cse0 4) (select |v_#length_5| |v_main_~#b~0.base_3|)) (= (store |v_#memory_int_part_locs_31_locs_32_1| |v_main_~#b~0.base_3| (store (select |v_#memory_int_part_locs_31_locs_32_1| |v_main_~#b~0.base_3|) .cse1 |v_main_#t~ret3_3|)) |v_#memory_int_part_locs_31_locs_32_2|) (<= 0 .cse1) (= 1 (select |v_#valid_11| |v_main_~#b~0.base_3|))))) InVars {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_1|, main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|} OutVars{#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_2|, main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|} AuxVars[] AssignedVars[#memory_int_part_locs_31_locs_32]
[2018-04-12 04:12:12,521 DEBUG L338 ransitionTransformer]: formula has changed
[2018-04-12 04:12:12,521 DEBUG L339 ransitionTransformer]: old formula:
[2018-04-12 04:12:12,521 DEBUG L340 ransitionTransformer]: (let ((.cse0 (* 4 v_main_~i~1_6))) (let ((.cse1 (+ |v_main_~#b~0.offset_3| .cse0))) (and (<= (+ |v_main_~#b~0.offset_3| .cse0 4) (select |v_#length_5| |v_main_~#b~0.base_3|)) (= (store |v_#memory_int_4| |v_main_~#b~0.base_3| (store (select |v_#memory_int_4| |v_main_~#b~0.base_3|) .cse1 |v_main_#t~ret3_3|)) |v_#memory_int_3|) (<= 0 .cse1) (= 1 (select |v_#valid_11| |v_main_~#b~0.base_3|)))))
[2018-04-12 04:12:12,521 DEBUG L341 ransitionTransformer]: new formula:
[2018-04-12 04:12:12,522 DEBUG L342 ransitionTransformer]: (let ((.cse0 (* 4 v_main_~i~1_6))) (let ((.cse1 (+ |v_main_~#b~0.offset_3| .cse0))) (and (<= (+ |v_main_~#b~0.offset_3| .cse0 4) (select |v_#length_5| |v_main_~#b~0.base_3|)) (= (store |v_#memory_int_part_locs_31_locs_32_1| |v_main_~#b~0.base_3| (store (select |v_#memory_int_part_locs_31_locs_32_1| |v_main_~#b~0.base_3|) .cse1 |v_main_#t~ret3_3|)) |v_#memory_int_part_locs_31_locs_32_2|) (<= 0 .cse1) (= 1 (select |v_#valid_11| |v_main_~#b~0.base_3|)))))
[2018-04-12 04:12:12,522 DEBUG L346 ransitionTransformer]: invars have changed
[2018-04-12 04:12:12,522 DEBUG L347 ransitionTransformer]: old invars:
[2018-04-12 04:12:12,522 DEBUG L348 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, #memory_int=|v_#memory_int_4|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|}
[2018-04-12 04:12:12,522 DEBUG L349 ransitionTransformer]: new invars:
[2018-04-12 04:12:12,522 DEBUG L350 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_1|, main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|}
[2018-04-12 04:12:12,522 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,522 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,522 DEBUG L356 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, #memory_int=|v_#memory_int_3|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|}
[2018-04-12 04:12:12,523 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,523 DEBUG L358 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_2|, main_~#b~0.base=|v_main_~#b~0.base_3|, main_#t~ret3=|v_main_#t~ret3_3|, #valid=|v_#valid_11|, main_~i~1=v_main_~i~1_6, #length=|v_#length_5|, main_~#b~0.offset=|v_main_~#b~0.offset_3|}
[2018-04-12 04:12:12,523 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,523 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,523 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_12| |v_main_~#b~0.base_4|) 1)) InVars {main_~#b~0.base=|v_main_~#b~0.base_4|, #valid=|v_#valid_12|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,523 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,523 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,524 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,524 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v_main_~i~1_7))) (or (not (<= 0 (+ .cse0 |v_main_~#b~0.offset_4|))) (not (<= (+ .cse0 |v_main_~#b~0.offset_4| 4) (select |v_#length_6| |v_main_~#b~0.base_5|))))) InVars {main_~#b~0.base=|v_main_~#b~0.base_5|, main_~i~1=v_main_~i~1_7, #length=|v_#length_6|, main_~#b~0.offset=|v_main_~#b~0.offset_4|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_5|, main_~i~1=v_main_~i~1_7, #length=|v_#length_6|, main_~#b~0.offset=|v_main_~#b~0.offset_4|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,524 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,524 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,524 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,525 DEBUG L331 ransitionTransformer]: Formula: (and (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_1 |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset_1|) (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_1 |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base_1|)) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base_1|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_1, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.offset_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~b.base_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset]
[2018-04-12 04:12:12,525 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,525 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,525 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,525 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v_main_~i~1_13))) (let ((.cse1 (+ |v_main_~#b~0.offset_5| .cse0))) (and (= 1 (select |v_#valid_13| |v_main_~#b~0.base_6|)) (<= (+ |v_main_~#b~0.offset_5| .cse0 4) (select |v_#length_7| |v_main_~#b~0.base_6|)) (<= 0 .cse1) (= |v_main_#t~mem5_1| (select (select |v_#memory_int_part_locs_31_locs_32_3| |v_main_~#b~0.base_6|) .cse1))))) InVars {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_3|, main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, main_~i~1=v_main_~i~1_13, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|} OutVars{#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_3|, main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, main_~i~1=v_main_~i~1_13, main_#t~mem5=|v_main_#t~mem5_1|, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|} AuxVars[] AssignedVars[main_#t~mem5]
[2018-04-12 04:12:12,526 DEBUG L338 ransitionTransformer]: formula has changed
[2018-04-12 04:12:12,526 DEBUG L339 ransitionTransformer]: old formula:
[2018-04-12 04:12:12,526 DEBUG L340 ransitionTransformer]: (let ((.cse0 (* 4 v_main_~i~1_13))) (let ((.cse1 (+ |v_main_~#b~0.offset_5| .cse0))) (and (= 1 (select |v_#valid_13| |v_main_~#b~0.base_6|)) (<= (+ |v_main_~#b~0.offset_5| .cse0 4) (select |v_#length_7| |v_main_~#b~0.base_6|)) (<= 0 .cse1) (= |v_main_#t~mem5_1| (select (select |v_#memory_int_5| |v_main_~#b~0.base_6|) .cse1)))))
[2018-04-12 04:12:12,526 DEBUG L341 ransitionTransformer]: new formula:
[2018-04-12 04:12:12,526 DEBUG L342 ransitionTransformer]: (let ((.cse0 (* 4 v_main_~i~1_13))) (let ((.cse1 (+ |v_main_~#b~0.offset_5| .cse0))) (and (= 1 (select |v_#valid_13| |v_main_~#b~0.base_6|)) (<= (+ |v_main_~#b~0.offset_5| .cse0 4) (select |v_#length_7| |v_main_~#b~0.base_6|)) (<= 0 .cse1) (= |v_main_#t~mem5_1| (select (select |v_#memory_int_part_locs_31_locs_32_3| |v_main_~#b~0.base_6|) .cse1)))))
[2018-04-12 04:12:12,526 DEBUG L346 ransitionTransformer]: invars have changed
[2018-04-12 04:12:12,526 DEBUG L347 ransitionTransformer]: old invars:
[2018-04-12 04:12:12,526 DEBUG L348 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_5|, main_~i~1=v_main_~i~1_13, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|}
[2018-04-12 04:12:12,527 DEBUG L349 ransitionTransformer]: new invars:
[2018-04-12 04:12:12,527 DEBUG L350 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_3|, main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, main_~i~1=v_main_~i~1_13, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|}
[2018-04-12 04:12:12,527 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,527 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,527 DEBUG L356 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_5|, main_~i~1=v_main_~i~1_13, main_#t~mem5=|v_main_#t~mem5_1|, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|}
[2018-04-12 04:12:12,527 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,528 DEBUG L358 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_3|, main_~#b~0.base=|v_main_~#b~0.base_6|, #valid=|v_#valid_13|, main_~i~1=v_main_~i~1_13, main_#t~mem5=|v_main_#t~mem5_1|, #length=|v_#length_7|, main_~#b~0.offset=|v_main_~#b~0.offset_5|}
[2018-04-12 04:12:12,528 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,528 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,528 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_14| |v_main_~#b~0.base_7|) 1)) InVars {main_~#b~0.base=|v_main_~#b~0.base_7|, #valid=|v_#valid_14|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_7|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,529 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,529 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,529 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,529 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v_main_~i~1_14))) (or (not (<= 0 (+ |v_main_~#b~0.offset_6| .cse0))) (not (<= (+ |v_main_~#b~0.offset_6| .cse0 4) (select |v_#length_8| |v_main_~#b~0.base_8|))))) InVars {main_~#b~0.base=|v_main_~#b~0.base_8|, main_~i~1=v_main_~i~1_14, #length=|v_#length_8|, main_~#b~0.offset=|v_main_~#b~0.offset_6|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_8|, main_~i~1=v_main_~i~1_14, #length=|v_#length_8|, main_~#b~0.offset=|v_main_~#b~0.offset_6|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,529 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,530 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,530 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,530 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_17| (store |v_#valid_18| |v_main_~#b~0.base_11| 0)) InVars {main_~#b~0.base=|v_main_~#b~0.base_11|, #valid=|v_#valid_18|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_11|, #valid=|v_#valid_17|} AuxVars[] AssignedVars[#valid]
[2018-04-12 04:12:12,530 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,530 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,531 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,531 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,531 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,531 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,531 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_4|}
[2018-04-12 04:12:12,531 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,532 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,532 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,532 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,532 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_1 |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size_1|) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size_1|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#in~size_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_1} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size]
[2018-04-12 04:12:12,532 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,532 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,533 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,533 DEBUG L331 ransitionTransformer]: Formula: (not (= v_main_~i~1_15 |v_main_#t~mem5_2|)) InVars {main_~i~1=v_main_~i~1_15, main_#t~mem5=|v_main_#t~mem5_2|} OutVars{main_~i~1=v_main_~i~1_15, main_#t~mem5=|v_main_#t~mem5_2|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,533 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,533 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,533 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,534 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_16 |v_main_#t~mem5_4|) InVars {main_~i~1=v_main_~i~1_16, main_#t~mem5=|v_main_#t~mem5_4|} OutVars{main_~i~1=v_main_~i~1_16, main_#t~mem5=|v_main_#t~mem5_4|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,534 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,534 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,534 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,534 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,534 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,535 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,535 DEBUG L356 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_12|, main_~#b~0.offset=|v_main_~#b~0.offset_10|}
[2018-04-12 04:12:12,535 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,535 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,535 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,535 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,535 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post2_1| v_main_~i~1_8) InVars {main_~i~1=v_main_~i~1_8} OutVars{main_~i~1=v_main_~i~1_8, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_#t~post2]
[2018-04-12 04:12:12,535 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,536 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,536 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,536 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,536 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,536 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,536 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0_1}
[2018-04-12 04:12:12,536 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,536 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,536 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,537 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,537 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,537 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,537 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,537 DEBUG L356 ransitionTransformer]: {main_#t~mem5=|v_main_#t~mem5_3|}
[2018-04-12 04:12:12,538 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,538 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,538 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,538 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,538 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,538 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,539 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,539 DEBUG L356 ransitionTransformer]: {main_#t~mem5=|v_main_#t~mem5_5|}
[2018-04-12 04:12:12,539 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,539 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,539 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,540 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,540 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_7| |old(#valid)|) InVars {#valid=|v_#valid_7|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_7|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,540 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,540 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,540 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,541 DEBUG L331 ransitionTransformer]: Formula: (not (= |v_#valid_8| |old(#valid)|)) InVars {#valid=|v_#valid_8|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_8|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,541 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,541 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,541 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,541 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_9 (+ |v_main_#t~post2_2| 1)) InVars {main_#t~post2=|v_main_#t~post2_2|} OutVars{main_~i~1=v_main_~i~1_9, main_#t~post2=|v_main_#t~post2_2|} AuxVars[] AssignedVars[main_~i~1]
[2018-04-12 04:12:12,542 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,542 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,542 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,542 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,542 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,542 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,543 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_1}
[2018-04-12 04:12:12,543 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,543 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,543 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,543 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,544 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_1| 1) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res]
[2018-04-12 04:12:12,544 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,544 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,544 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,544 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post4_1| v_main_~i~1_17) InVars {main_~i~1=v_main_~i~1_17} OutVars{main_#t~post4=|v_main_#t~post4_1|, main_~i~1=v_main_~i~1_17} AuxVars[] AssignedVars[main_#t~post4]
[2018-04-12 04:12:12,545 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,545 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,545 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,545 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,545 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,545 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,546 DEBUG L356 ransitionTransformer]: {main_#t~post2=|v_main_#t~post2_3|}
[2018-04-12 04:12:12,546 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,546 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,546 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,546 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,547 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_2 0) InVars {} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_2} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0]
[2018-04-12 04:12:12,547 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,547 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,547 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,547 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_15| (store |v_#valid_16| |v_main_~#b~0.base_9| 0)) InVars {main_~#b~0.base=|v_main_~#b~0.base_9|, #valid=|v_#valid_16|} OutVars{main_~#b~0.base=|v_main_~#b~0.base_9|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[#valid]
[2018-04-12 04:12:12,548 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,548 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,548 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,548 DEBUG L331 ransitionTransformer]: Formula: (= v_main_~i~1_18 (+ |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_18} AuxVars[] AssignedVars[main_~i~1]
[2018-04-12 04:12:12,548 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,549 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,549 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,549 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,549 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,549 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,550 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,550 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,550 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,550 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,550 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,550 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,551 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,551 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,551 DEBUG L356 ransitionTransformer]: {main_~#b~0.base=|v_main_~#b~0.base_10|, main_~#b~0.offset=|v_main_~#b~0.offset_8|}
[2018-04-12 04:12:12,551 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,551 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,551 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,552 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,552 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,552 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,552 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,552 DEBUG L356 ransitionTransformer]: {main_#t~post4=|v_main_#t~post4_3|}
[2018-04-12 04:12:12,552 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,552 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,552 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,553 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,553 DEBUG L331 ransitionTransformer]: Formula: (not (< v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_3 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_2)) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_2, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_3} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_2, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_3} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,553 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,553 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,553 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,554 DEBUG L331 ransitionTransformer]: Formula: (< v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_3) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_3, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_4} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~size_3, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_4} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,554 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,554 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,554 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,554 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res_1| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_11) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_11} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_11} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res]
[2018-04-12 04:12:12,555 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,555 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,555 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,555 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= 0 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_5)) (not (< v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_5 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n_2))) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_5, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n_2} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_5, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~n_2} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,555 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,556 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,556 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,556 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,556 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,556 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,556 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,557 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,557 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,557 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,557 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,558 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse1 (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6))) (let ((.cse0 (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2))) (and (= (select (select |v_#memory_int_part_locs_31_locs_32_4| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|) (= 1 (select |v_#valid_19| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2 4) (select |v_#length_9| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= 0 .cse0)))) InVars {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_4|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2} OutVars{#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_4|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1]
[2018-04-12 04:12:12,558 DEBUG L338 ransitionTransformer]: formula has changed
[2018-04-12 04:12:12,558 DEBUG L339 ransitionTransformer]: old formula:
[2018-04-12 04:12:12,558 DEBUG L340 ransitionTransformer]: (let ((.cse1 (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6))) (let ((.cse0 (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2))) (and (= (select (select |v_#memory_int_6| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|) (= 1 (select |v_#valid_19| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2 4) (select |v_#length_9| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= 0 .cse0))))
[2018-04-12 04:12:12,559 DEBUG L341 ransitionTransformer]: new formula:
[2018-04-12 04:12:12,559 DEBUG L342 ransitionTransformer]: (let ((.cse1 (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6))) (let ((.cse0 (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2))) (and (= (select (select |v_#memory_int_part_locs_31_locs_32_4| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2) .cse0) |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|) (= 1 (select |v_#valid_19| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= (+ .cse1 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2 4) (select |v_#length_9| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2)) (<= 0 .cse0))))
[2018-04-12 04:12:12,559 DEBUG L346 ransitionTransformer]: invars have changed
[2018-04-12 04:12:12,559 DEBUG L347 ransitionTransformer]: old invars:
[2018-04-12 04:12:12,559 DEBUG L348 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, #memory_int=|v_#memory_int_6|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2}
[2018-04-12 04:12:12,559 DEBUG L349 ransitionTransformer]: new invars:
[2018-04-12 04:12:12,560 DEBUG L350 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_4|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2}
[2018-04-12 04:12:12,560 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,560 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,560 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, #memory_int=|v_#memory_int_6|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2}
[2018-04-12 04:12:12,560 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,560 DEBUG L358 ransitionTransformer]: {#memory_int_part_locs_31_locs_32=|v_#memory_int_part_locs_31_locs_32_4|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_2, #valid=|v_#valid_19|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_6, #length=|v_#length_9|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_2}
[2018-04-12 04:12:12,561 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,561 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,561 DEBUG L331 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_20| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_3))) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_3, #valid=|v_#valid_20|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_3, #valid=|v_#valid_20|} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,561 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,562 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,562 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,562 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_7))) (or (not (<= (+ .cse0 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_3 4) (select |v_#length_10| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_4))) (not (<= 0 (+ .cse0 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_3))))) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_7, #length=|v_#length_10|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_4, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_3} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_7, #length=|v_#length_10|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.base_4, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~b.offset_3} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,562 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,563 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,563 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,564 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0_2 (store v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0_3 v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_8 |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_2|)) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_2|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0_3, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_8} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_2|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0_2, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_8} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~a~0]
[2018-04-12 04:12:12,564 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,564 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,564 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,564 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,565 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,565 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,565 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~mem1_3|}
[2018-04-12 04:12:12,565 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,565 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,565 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,566 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,566 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_1| v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_9) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_9} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_1|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_9} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0]
[2018-04-12 04:12:12,566 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,566 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,566 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,567 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_10 (+ |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_2| 1)) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_2|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_2|, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0=v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0_10} AuxVars[] AssignedVars[__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_~i~0]
[2018-04-12 04:12:12,567 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,567 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,567 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,567 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,567 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,567 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,567 DEBUG L356 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#t~post0_3|}
[2018-04-12 04:12:12,567 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,568 DEBUG L358 ransitionTransformer]: {}
[2018-04-12 04:12:12,568 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,568 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,568 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]
[2018-04-12 04:12:12,568 DEBUG L334 ransitionTransformer]: transformula unchanged
[2018-04-12 04:12:12,568 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,568 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,568 DEBUG L331 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret6_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret6=|v_ULTIMATE.start_#t~ret6_2|, main_#res=|v_main_#resOutParam_1|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret6]
[2018-04-12 04:12:12,568 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,568 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,569 DEBUG L356 ransitionTransformer]: {ULTIMATE.start_#t~ret6=|v_ULTIMATE.start_#t~ret6_2|}
[2018-04-12 04:12:12,569 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,569 DEBUG L358 ransitionTransformer]: {ULTIMATE.start_#t~ret6=|v_ULTIMATE.start_#t~ret6_2|, main_#res=|v_main_#resOutParam_1|}
[2018-04-12 04:12:12,569 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,569 DEBUG L330 ransitionTransformer]: transformed transition
[2018-04-12 04:12:12,569 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~ret3_5| |v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#resOutParam_1|) InVars {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#resOutParam_1|} OutVars{__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#resOutParam_1|, main_#t~ret3=|v_main_#t~ret3_5|} AuxVars[] AssignedVars[main_#t~ret3]
[2018-04-12 04:12:12,569 DEBUG L354 ransitionTransformer]: outvars have changed
[2018-04-12 04:12:12,570 DEBUG L355 ransitionTransformer]: old outvars:
[2018-04-12 04:12:12,570 DEBUG L356 ransitionTransformer]: {main_#t~ret3=|v_main_#t~ret3_5|}
[2018-04-12 04:12:12,570 DEBUG L357 ransitionTransformer]: new outvars:
[2018-04-12 04:12:12,570 DEBUG L358 ransitionTransformer]: {__U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#res=|v___U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__foo_#resOutParam_1|, main_#t~ret3=|v_main_#t~ret3_5|}
[2018-04-12 04:12:12,570 DEBUG L360 ransitionTransformer]:
[2018-04-12 04:12:12,570 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-04-12 04:12:12,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.04 04:12:12 BasicIcfg
[2018-04-12 04:12:12,572 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2018-04-12 04:12:12,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-04-12 04:12:12,573 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-04-12 04:12:12,575 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-04-12 04:12:12,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 04:12:01" (1/4) ...
[2018-04-12 04:12:12,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703e46e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:12:12, skipping insertion in model container
[2018-04-12 04:12:12,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 04:12:01" (2/4) ...
[2018-04-12 04:12:12,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703e46e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 04:12:12, skipping insertion in model container
[2018-04-12 04:12:12,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 04:12:02" (3/4) ...
[2018-04-12 04:12:12,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@703e46e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 04:12:12, skipping insertion in model container
[2018-04-12 04:12:12,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 12.04 04:12:12" (4/4) ...
[2018-04-12 04:12:12,578 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg
[2018-04-12 04:12:12,586 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-04-12 04:12:12,593 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations.
[2018-04-12 04:12:12,627 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-04-12 04:12:12,627 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-04-12 04:12:12,627 INFO L370 AbstractCegarLoop]: Hoare is true
[2018-04-12 04:12:12,628 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-04-12 04:12:12,628 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-04-12 04:12:12,628 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-04-12 04:12:12,628 INFO L374 AbstractCegarLoop]: Difference is false
[2018-04-12 04:12:12,628 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-04-12 04:12:12,628 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-04-12 04:12:12,629 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-04-12 04:12:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states.
[2018-04-12 04:12:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-04-12 04:12:12,645 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:12,646 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:12,646 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:12,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1794506128, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:12,664 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:12,701 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:12,713 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:12,769 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:12,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2018-04-12 04:12:12,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-04-12 04:12:12,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-04-12 04:12:12,785 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-12 04:12:12,788 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states.
[2018-04-12 04:12:12,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:12,819 INFO L93 Difference]: Finished difference Result 119 states and 132 transitions.
[2018-04-12 04:12:12,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-04-12 04:12:12,820 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14
[2018-04-12 04:12:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:12,831 INFO L225 Difference]: With dead ends: 119
[2018-04-12 04:12:12,831 INFO L226 Difference]: Without dead ends: 61
[2018-04-12 04:12:12,836 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-04-12 04:12:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2018-04-12 04:12:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2018-04-12 04:12:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states.
[2018-04-12 04:12:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions.
[2018-04-12 04:12:12,884 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 14
[2018-04-12 04:12:12,885 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:12,885 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions.
[2018-04-12 04:12:12,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-04-12 04:12:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions.
[2018-04-12 04:12:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-04-12 04:12:12,886 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:12,886 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:12,886 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:12,887 INFO L82 PathProgramCache]: Analyzing trace with hash -235425509, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:12,900 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:12,916 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:12,935 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:12,983 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:12,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4
[2018-04-12 04:12:12,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-04-12 04:12:12,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-04-12 04:12:12,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-12 04:12:12,986 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand 4 states.
[2018-04-12 04:12:13,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:13,085 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions.
[2018-04-12 04:12:13,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-04-12 04:12:13,086 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15
[2018-04-12 04:12:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:13,089 INFO L225 Difference]: With dead ends: 108
[2018-04-12 04:12:13,090 INFO L226 Difference]: Without dead ends: 88
[2018-04-12 04:12:13,091 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-12 04:12:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2018-04-12 04:12:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65.
[2018-04-12 04:12:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states.
[2018-04-12 04:12:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions.
[2018-04-12 04:12:13,104 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 15
[2018-04-12 04:12:13,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:13,104 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions.
[2018-04-12 04:12:13,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-04-12 04:12:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions.
[2018-04-12 04:12:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-04-12 04:12:13,105 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:13,105 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]
[2018-04-12 04:12:13,106 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:13,106 INFO L82 PathProgramCache]: Analyzing trace with hash 2036720968, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:13,116 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:13,137 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,197 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:13,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,288 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:13,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7
[2018-04-12 04:12:13,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-04-12 04:12:13,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-04-12 04:12:13,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2018-04-12 04:12:13,289 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 7 states.
[2018-04-12 04:12:13,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:13,501 INFO L93 Difference]: Finished difference Result 151 states and 159 transitions.
[2018-04-12 04:12:13,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-04-12 04:12:13,502 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21
[2018-04-12 04:12:13,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:13,503 INFO L225 Difference]: With dead ends: 151
[2018-04-12 04:12:13,503 INFO L226 Difference]: Without dead ends: 97
[2018-04-12 04:12:13,504 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2018-04-12 04:12:13,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2018-04-12 04:12:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 77.
[2018-04-12 04:12:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states.
[2018-04-12 04:12:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions.
[2018-04-12 04:12:13,512 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 21
[2018-04-12 04:12:13,512 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:13,513 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions.
[2018-04-12 04:12:13,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-04-12 04:12:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions.
[2018-04-12 04:12:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-04-12 04:12:13,514 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:13,514 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, 1, 1]
[2018-04-12 04:12:13,514 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:13,514 INFO L82 PathProgramCache]: Analyzing trace with hash -595808487, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:13,527 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:13,548 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:13,571 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:13,572 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:13,574 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:13,574 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-04-12 04:12:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,606 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,639 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:13,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 2] imperfect sequences [] total 3
[2018-04-12 04:12:13,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-04-12 04:12:13,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-04-12 04:12:13,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-12 04:12:13,640 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 4 states.
[2018-04-12 04:12:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:13,677 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions.
[2018-04-12 04:12:13,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-04-12 04:12:13,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25
[2018-04-12 04:12:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:13,718 INFO L225 Difference]: With dead ends: 77
[2018-04-12 04:12:13,718 INFO L226 Difference]: Without dead ends: 75
[2018-04-12 04:12:13,719 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2018-04-12 04:12:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2018-04-12 04:12:13,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2018-04-12 04:12:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states.
[2018-04-12 04:12:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions.
[2018-04-12 04:12:13,726 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 25
[2018-04-12 04:12:13,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:13,727 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions.
[2018-04-12 04:12:13,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-04-12 04:12:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions.
[2018-04-12 04:12:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-04-12 04:12:13,728 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:13,728 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, 1, 1]
[2018-04-12 04:12:13,728 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:13,728 INFO L82 PathProgramCache]: Analyzing trace with hash -595808486, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:13,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:13,751 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:13,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:13,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:13,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:13,777 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,857 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:13,997 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:13,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8
[2018-04-12 04:12:13,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-04-12 04:12:13,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-04-12 04:12:13,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2018-04-12 04:12:13,998 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 9 states.
[2018-04-12 04:12:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:14,120 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions.
[2018-04-12 04:12:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-04-12 04:12:14,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25
[2018-04-12 04:12:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:14,122 INFO L225 Difference]: With dead ends: 82
[2018-04-12 04:12:14,122 INFO L226 Difference]: Without dead ends: 80
[2018-04-12 04:12:14,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2018-04-12 04:12:14,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2018-04-12 04:12:14,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78.
[2018-04-12 04:12:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2018-04-12 04:12:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions.
[2018-04-12 04:12:14,130 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 25
[2018-04-12 04:12:14,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:14,130 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions.
[2018-04-12 04:12:14,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-04-12 04:12:14,131 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions.
[2018-04-12 04:12:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2018-04-12 04:12:14,132 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:14,132 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:14,132 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:14,133 INFO L82 PathProgramCache]: Analyzing trace with hash 37312857, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:14,139 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:14,163 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:14,224 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:14,295 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:14,295 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8
[2018-04-12 04:12:14,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-04-12 04:12:14,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-04-12 04:12:14,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2018-04-12 04:12:14,296 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 9 states.
[2018-04-12 04:12:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:14,469 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions.
[2018-04-12 04:12:14,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-04-12 04:12:14,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41
[2018-04-12 04:12:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:14,471 INFO L225 Difference]: With dead ends: 107
[2018-04-12 04:12:14,471 INFO L226 Difference]: Without dead ends: 106
[2018-04-12 04:12:14,471 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 71 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2018-04-12 04:12:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2018-04-12 04:12:14,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 81.
[2018-04-12 04:12:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2018-04-12 04:12:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions.
[2018-04-12 04:12:14,482 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 41
[2018-04-12 04:12:14,482 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:14,482 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions.
[2018-04-12 04:12:14,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-04-12 04:12:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions.
[2018-04-12 04:12:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2018-04-12 04:12:14,484 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:14,485 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:14,485 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:14,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1522687287, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:14,508 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:14,528 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:14,600 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:14,646 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:14,646 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2018-04-12 04:12:14,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-04-12 04:12:14,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-04-12 04:12:14,647 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2018-04-12 04:12:14,647 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 8 states.
[2018-04-12 04:12:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:14,732 INFO L93 Difference]: Finished difference Result 137 states and 145 transitions.
[2018-04-12 04:12:14,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-04-12 04:12:14,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41
[2018-04-12 04:12:14,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:14,734 INFO L225 Difference]: With dead ends: 137
[2018-04-12 04:12:14,734 INFO L226 Difference]: Without dead ends: 115
[2018-04-12 04:12:14,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132
[2018-04-12 04:12:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2018-04-12 04:12:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 96.
[2018-04-12 04:12:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2018-04-12 04:12:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions.
[2018-04-12 04:12:14,745 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 41
[2018-04-12 04:12:14,745 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:14,745 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions.
[2018-04-12 04:12:14,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-04-12 04:12:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions.
[2018-04-12 04:12:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-04-12 04:12:14,748 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:14,748 INFO L355 BasicCegarLoop]: trace histogram [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]
[2018-04-12 04:12:14,748 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:14,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1156698799, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:14,760 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:14,784 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:14,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:14,799 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:14,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:14,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-04-12 04:12:14,850 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:14,850 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:14,890 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:14,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5
[2018-04-12 04:12:14,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-04-12 04:12:14,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-04-12 04:12:14,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2018-04-12 04:12:14,891 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 6 states.
[2018-04-12 04:12:14,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:14,928 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions.
[2018-04-12 04:12:14,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-04-12 04:12:14,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42
[2018-04-12 04:12:14,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:14,929 INFO L225 Difference]: With dead ends: 96
[2018-04-12 04:12:14,929 INFO L226 Difference]: Without dead ends: 95
[2018-04-12 04:12:14,929 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2018-04-12 04:12:14,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2018-04-12 04:12:14,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2018-04-12 04:12:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states.
[2018-04-12 04:12:14,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions.
[2018-04-12 04:12:14,937 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 42
[2018-04-12 04:12:14,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:14,938 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions.
[2018-04-12 04:12:14,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-04-12 04:12:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions.
[2018-04-12 04:12:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2018-04-12 04:12:14,939 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:14,939 INFO L355 BasicCegarLoop]: trace histogram [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]
[2018-04-12 04:12:14,939 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1156698800, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:14,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:14,966 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:14,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:14,970 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:14,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:14,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:15,015 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:15,080 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:15,080 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10
[2018-04-12 04:12:15,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-04-12 04:12:15,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-04-12 04:12:15,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110
[2018-04-12 04:12:15,081 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand 11 states.
[2018-04-12 04:12:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:15,190 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions.
[2018-04-12 04:12:15,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-04-12 04:12:15,190 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 42
[2018-04-12 04:12:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:15,191 INFO L225 Difference]: With dead ends: 104
[2018-04-12 04:12:15,191 INFO L226 Difference]: Without dead ends: 103
[2018-04-12 04:12:15,192 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2018-04-12 04:12:15,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2018-04-12 04:12:15,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 96.
[2018-04-12 04:12:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2018-04-12 04:12:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions.
[2018-04-12 04:12:15,200 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 42
[2018-04-12 04:12:15,201 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:15,201 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions.
[2018-04-12 04:12:15,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-04-12 04:12:15,201 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions.
[2018-04-12 04:12:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2018-04-12 04:12:15,202 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:15,202 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:15,202 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:15,203 INFO L82 PathProgramCache]: Analyzing trace with hash 660976299, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:15,209 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:15,225 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:15,250 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-04-12 04:12:15,325 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2018-04-12 04:12:15,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 10
[2018-04-12 04:12:15,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-04-12 04:12:15,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-04-12 04:12:15,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2018-04-12 04:12:15,326 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand 10 states.
[2018-04-12 04:12:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:15,489 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions.
[2018-04-12 04:12:15,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-04-12 04:12:15,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45
[2018-04-12 04:12:15,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:15,490 INFO L225 Difference]: With dead ends: 179
[2018-04-12 04:12:15,490 INFO L226 Difference]: Without dead ends: 112
[2018-04-12 04:12:15,491 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182
[2018-04-12 04:12:15,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2018-04-12 04:12:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96.
[2018-04-12 04:12:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states.
[2018-04-12 04:12:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 101 transitions.
[2018-04-12 04:12:15,499 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 101 transitions. Word has length 45
[2018-04-12 04:12:15,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:15,499 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 101 transitions.
[2018-04-12 04:12:15,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-04-12 04:12:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions.
[2018-04-12 04:12:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2018-04-12 04:12:15,500 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:15,501 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]
[2018-04-12 04:12:15,501 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:15,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1642959647, 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
[2018-04-12 04:12:15,517 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:15,542 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:15,600 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-04-12 04:12:15,660 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:15,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13
[2018-04-12 04:12:15,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states
[2018-04-12 04:12:15,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2018-04-12 04:12:15,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156
[2018-04-12 04:12:15,661 INFO L87 Difference]: Start difference. First operand 96 states and 101 transitions. Second operand 13 states.
[2018-04-12 04:12:15,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:15,829 INFO L93 Difference]: Finished difference Result 191 states and 200 transitions.
[2018-04-12 04:12:15,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2018-04-12 04:12:15,830 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 50
[2018-04-12 04:12:15,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:15,831 INFO L225 Difference]: With dead ends: 191
[2018-04-12 04:12:15,831 INFO L226 Difference]: Without dead ends: 127
[2018-04-12 04:12:15,832 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 85 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2018-04-12 04:12:15,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2018-04-12 04:12:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 116.
[2018-04-12 04:12:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states.
[2018-04-12 04:12:15,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions.
[2018-04-12 04:12:15,840 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 50
[2018-04-12 04:12:15,840 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:15,840 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions.
[2018-04-12 04:12:15,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2018-04-12 04:12:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions.
[2018-04-12 04:12:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2018-04-12 04:12:15,842 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:15,842 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:15,842 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:15,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1106887219, 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
[2018-04-12 04:12:15,855 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:15,878 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:15,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:15,881 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:15,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:15,886 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:15,950 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:16,025 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:16,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10
[2018-04-12 04:12:16,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-04-12 04:12:16,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-04-12 04:12:16,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2018-04-12 04:12:16,026 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand 11 states.
[2018-04-12 04:12:16,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:16,166 INFO L93 Difference]: Finished difference Result 134 states and 138 transitions.
[2018-04-12 04:12:16,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-04-12 04:12:16,166 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54
[2018-04-12 04:12:16,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:16,167 INFO L225 Difference]: With dead ends: 134
[2018-04-12 04:12:16,168 INFO L226 Difference]: Without dead ends: 133
[2018-04-12 04:12:16,168 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240
[2018-04-12 04:12:16,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2018-04-12 04:12:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 119.
[2018-04-12 04:12:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states.
[2018-04-12 04:12:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions.
[2018-04-12 04:12:16,177 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 54
[2018-04-12 04:12:16,178 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:16,178 INFO L459 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions.
[2018-04-12 04:12:16,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-04-12 04:12:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions.
[2018-04-12 04:12:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2018-04-12 04:12:16,179 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:16,180 INFO L355 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:16,180 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:16,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1097213976, 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
[2018-04-12 04:12:16,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:16,228 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:16,285 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:16,367 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:16,368 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 14
[2018-04-12 04:12:16,368 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-04-12 04:12:16,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-04-12 04:12:16,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2018-04-12 04:12:16,369 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand 15 states.
[2018-04-12 04:12:16,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:16,625 INFO L93 Difference]: Finished difference Result 149 states and 154 transitions.
[2018-04-12 04:12:16,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2018-04-12 04:12:16,626 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 79
[2018-04-12 04:12:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:16,627 INFO L225 Difference]: With dead ends: 149
[2018-04-12 04:12:16,627 INFO L226 Difference]: Without dead ends: 148
[2018-04-12 04:12:16,628 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 139 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600
[2018-04-12 04:12:16,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2018-04-12 04:12:16,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 127.
[2018-04-12 04:12:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states.
[2018-04-12 04:12:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 132 transitions.
[2018-04-12 04:12:16,637 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 132 transitions. Word has length 79
[2018-04-12 04:12:16,637 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:16,637 INFO L459 AbstractCegarLoop]: Abstraction has 127 states and 132 transitions.
[2018-04-12 04:12:16,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-04-12 04:12:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions.
[2018-04-12 04:12:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2018-04-12 04:12:16,638 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:16,638 INFO L355 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:16,638 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:16,638 INFO L82 PathProgramCache]: Analyzing trace with hash 346105345, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:16,645 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:16,669 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:16,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:16,672 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:16,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:16,675 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2018-04-12 04:12:16,790 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2018-04-12 04:12:16,944 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:16,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14
[2018-04-12 04:12:16,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-04-12 04:12:16,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-04-12 04:12:16,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210
[2018-04-12 04:12:16,945 INFO L87 Difference]: Start difference. First operand 127 states and 132 transitions. Second operand 15 states.
[2018-04-12 04:12:17,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:17,220 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions.
[2018-04-12 04:12:17,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2018-04-12 04:12:17,220 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80
[2018-04-12 04:12:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:17,222 INFO L225 Difference]: With dead ends: 148
[2018-04-12 04:12:17,222 INFO L226 Difference]: Without dead ends: 147
[2018-04-12 04:12:17,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2018-04-12 04:12:17,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2018-04-12 04:12:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137.
[2018-04-12 04:12:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states.
[2018-04-12 04:12:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 144 transitions.
[2018-04-12 04:12:17,230 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 144 transitions. Word has length 80
[2018-04-12 04:12:17,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:17,230 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 144 transitions.
[2018-04-12 04:12:17,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-04-12 04:12:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions.
[2018-04-12 04:12:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2018-04-12 04:12:17,231 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:17,231 INFO L355 BasicCegarLoop]: trace histogram [6, 4, 3, 3, 3, 3, 3, 3, 3, 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]
[2018-04-12 04:12:17,232 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:17,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1751506738, now seen corresponding path program 3 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:17,239 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:17,268 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:17,364 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2018-04-12 04:12:17,463 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:17,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 19
[2018-04-12 04:12:17,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states
[2018-04-12 04:12:17,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2018-04-12 04:12:17,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342
[2018-04-12 04:12:17,464 INFO L87 Difference]: Start difference. First operand 137 states and 144 transitions. Second operand 19 states.
[2018-04-12 04:12:17,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:17,742 INFO L93 Difference]: Finished difference Result 258 states and 273 transitions.
[2018-04-12 04:12:17,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2018-04-12 04:12:17,743 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 88
[2018-04-12 04:12:17,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:17,744 INFO L225 Difference]: With dead ends: 258
[2018-04-12 04:12:17,744 INFO L226 Difference]: Without dead ends: 182
[2018-04-12 04:12:17,745 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 151 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=744, Unknown=0, NotChecked=0, Total=930
[2018-04-12 04:12:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2018-04-12 04:12:17,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 166.
[2018-04-12 04:12:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2018-04-12 04:12:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 173 transitions.
[2018-04-12 04:12:17,757 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 173 transitions. Word has length 88
[2018-04-12 04:12:17,757 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:17,758 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 173 transitions.
[2018-04-12 04:12:17,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states.
[2018-04-12 04:12:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 173 transitions.
[2018-04-12 04:12:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2018-04-12 04:12:17,759 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:17,759 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]
[2018-04-12 04:12:17,759 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:17,759 INFO L82 PathProgramCache]: Analyzing trace with hash -895613591, now seen corresponding path program 1 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:17,765 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:17,802 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2018-04-12 04:12:17,871 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:18,007 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 64 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2018-04-12 04:12:18,029 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:18,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 16
[2018-04-12 04:12:18,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states
[2018-04-12 04:12:18,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2018-04-12 04:12:18,031 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2018-04-12 04:12:18,031 INFO L87 Difference]: Start difference. First operand 166 states and 173 transitions. Second operand 16 states.
[2018-04-12 04:12:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:18,258 INFO L93 Difference]: Finished difference Result 260 states and 272 transitions.
[2018-04-12 04:12:18,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2018-04-12 04:12:18,258 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 99
[2018-04-12 04:12:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:18,259 INFO L225 Difference]: With dead ends: 260
[2018-04-12 04:12:18,260 INFO L226 Difference]: Without dead ends: 178
[2018-04-12 04:12:18,261 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 177 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650
[2018-04-12 04:12:18,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2018-04-12 04:12:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166.
[2018-04-12 04:12:18,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2018-04-12 04:12:18,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 171 transitions.
[2018-04-12 04:12:18,272 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 171 transitions. Word has length 99
[2018-04-12 04:12:18,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:18,273 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 171 transitions.
[2018-04-12 04:12:18,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states.
[2018-04-12 04:12:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions.
[2018-04-12 04:12:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2018-04-12 04:12:18,275 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:18,275 INFO L355 BasicCegarLoop]: trace histogram [6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:18,275 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:18,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1767343027, now seen corresponding path program 2 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:18,283 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:18,323 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:18,379 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:18,481 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:18,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2018-04-12 04:12:18,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states
[2018-04-12 04:12:18,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2018-04-12 04:12:18,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240
[2018-04-12 04:12:18,482 INFO L87 Difference]: Start difference. First operand 166 states and 171 transitions. Second operand 16 states.
[2018-04-12 04:12:18,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:18,776 INFO L93 Difference]: Finished difference Result 242 states and 255 transitions.
[2018-04-12 04:12:18,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2018-04-12 04:12:18,814 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108
[2018-04-12 04:12:18,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:18,815 INFO L225 Difference]: With dead ends: 242
[2018-04-12 04:12:18,815 INFO L226 Difference]: Without dead ends: 220
[2018-04-12 04:12:18,816 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=259, Invalid=497, Unknown=0, NotChecked=0, Total=756
[2018-04-12 04:12:18,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states.
[2018-04-12 04:12:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 199.
[2018-04-12 04:12:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states.
[2018-04-12 04:12:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 210 transitions.
[2018-04-12 04:12:18,828 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 210 transitions. Word has length 108
[2018-04-12 04:12:18,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:18,828 INFO L459 AbstractCegarLoop]: Abstraction has 199 states and 210 transitions.
[2018-04-12 04:12:18,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states.
[2018-04-12 04:12:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 210 transitions.
[2018-04-12 04:12:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2018-04-12 04:12:18,830 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:18,830 INFO L355 BasicCegarLoop]: trace histogram [9, 6, 5, 5, 5, 5, 5, 5, 5, 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]
[2018-04-12 04:12:18,830 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:18,830 INFO L82 PathProgramCache]: Analyzing trace with hash -471724861, now seen corresponding path program 4 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:18,837 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:18,872 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 135 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:18,970 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 135 proven. 15 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:19,099 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:19,100 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 20
[2018-04-12 04:12:19,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states
[2018-04-12 04:12:19,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2018-04-12 04:12:19,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420
[2018-04-12 04:12:19,101 INFO L87 Difference]: Start difference. First operand 199 states and 210 transitions. Second operand 21 states.
[2018-04-12 04:12:19,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:19,472 INFO L93 Difference]: Finished difference Result 219 states and 231 transitions.
[2018-04-12 04:12:19,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2018-04-12 04:12:19,472 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 126
[2018-04-12 04:12:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:19,474 INFO L225 Difference]: With dead ends: 219
[2018-04-12 04:12:19,474 INFO L226 Difference]: Without dead ends: 218
[2018-04-12 04:12:19,475 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 224 SyntacticMatches, 9 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=1001, Unknown=0, NotChecked=0, Total=1190
[2018-04-12 04:12:19,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2018-04-12 04:12:19,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199.
[2018-04-12 04:12:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states.
[2018-04-12 04:12:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 209 transitions.
[2018-04-12 04:12:19,487 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 209 transitions. Word has length 126
[2018-04-12 04:12:19,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:19,488 INFO L459 AbstractCegarLoop]: Abstraction has 199 states and 209 transitions.
[2018-04-12 04:12:19,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states.
[2018-04-12 04:12:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 209 transitions.
[2018-04-12 04:12:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2018-04-12 04:12:19,489 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:19,489 INFO L355 BasicCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:19,489 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:19,489 INFO L82 PathProgramCache]: Analyzing trace with hash -716005099, now seen corresponding path program 2 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:19,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:19,533 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 138 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2018-04-12 04:12:19,637 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 138 proven. 13 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2018-04-12 04:12:19,800 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:19,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22
[2018-04-12 04:12:19,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states
[2018-04-12 04:12:19,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2018-04-12 04:12:19,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462
[2018-04-12 04:12:19,801 INFO L87 Difference]: Start difference. First operand 199 states and 209 transitions. Second operand 22 states.
[2018-04-12 04:12:20,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:20,132 INFO L93 Difference]: Finished difference Result 318 states and 339 transitions.
[2018-04-12 04:12:20,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2018-04-12 04:12:20,132 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 130
[2018-04-12 04:12:20,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:20,133 INFO L225 Difference]: With dead ends: 318
[2018-04-12 04:12:20,134 INFO L226 Difference]: Without dead ends: 215
[2018-04-12 04:12:20,134 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 231 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=256, Invalid=1076, Unknown=0, NotChecked=0, Total=1332
[2018-04-12 04:12:20,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2018-04-12 04:12:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 199.
[2018-04-12 04:12:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states.
[2018-04-12 04:12:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 208 transitions.
[2018-04-12 04:12:20,143 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 208 transitions. Word has length 130
[2018-04-12 04:12:20,143 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:20,143 INFO L459 AbstractCegarLoop]: Abstraction has 199 states and 208 transitions.
[2018-04-12 04:12:20,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states.
[2018-04-12 04:12:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 208 transitions.
[2018-04-12 04:12:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2018-04-12 04:12:20,144 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:20,144 INFO L355 BasicCegarLoop]: trace histogram [10, 7, 6, 6, 6, 6, 6, 6, 6, 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]
[2018-04-12 04:12:20,144 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:20,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1712590665, 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
[2018-04-12 04:12:20,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:20,180 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 168 proven. 36 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:20,325 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 168 proven. 36 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2018-04-12 04:12:20,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:20,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 25
[2018-04-12 04:12:20,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states
[2018-04-12 04:12:20,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2018-04-12 04:12:20,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600
[2018-04-12 04:12:20,471 INFO L87 Difference]: Start difference. First operand 199 states and 208 transitions. Second operand 25 states.
[2018-04-12 04:12:21,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:21,076 INFO L93 Difference]: Finished difference Result 348 states and 365 transitions.
[2018-04-12 04:12:21,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2018-04-12 04:12:21,076 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 135
[2018-04-12 04:12:21,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:21,078 INFO L225 Difference]: With dead ends: 348
[2018-04-12 04:12:21,078 INFO L226 Difference]: Without dead ends: 248
[2018-04-12 04:12:21,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 237 SyntacticMatches, 9 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=1401, Unknown=0, NotChecked=0, Total=1722
[2018-04-12 04:12:21,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states.
[2018-04-12 04:12:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 237.
[2018-04-12 04:12:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states.
[2018-04-12 04:12:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 245 transitions.
[2018-04-12 04:12:21,089 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 245 transitions. Word has length 135
[2018-04-12 04:12:21,090 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:21,090 INFO L459 AbstractCegarLoop]: Abstraction has 237 states and 245 transitions.
[2018-04-12 04:12:21,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states.
[2018-04-12 04:12:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 245 transitions.
[2018-04-12 04:12:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2018-04-12 04:12:21,090 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:21,091 INFO L355 BasicCegarLoop]: trace histogram [10, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:21,091 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:21,091 INFO L82 PathProgramCache]: Analyzing trace with hash -350131447, now seen corresponding path program 3 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:21,098 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:21,135 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:21,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:21,142 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:21,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:21,191 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:21,545 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:21,709 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:21,731 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:21,731 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18
[2018-04-12 04:12:21,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states
[2018-04-12 04:12:21,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2018-04-12 04:12:21,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342
[2018-04-12 04:12:21,733 INFO L87 Difference]: Start difference. First operand 237 states and 245 transitions. Second operand 19 states.
[2018-04-12 04:12:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:22,600 INFO L93 Difference]: Finished difference Result 255 states and 263 transitions.
[2018-04-12 04:12:22,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2018-04-12 04:12:22,601 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 139
[2018-04-12 04:12:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:22,602 INFO L225 Difference]: With dead ends: 255
[2018-04-12 04:12:22,602 INFO L226 Difference]: Without dead ends: 254
[2018-04-12 04:12:22,602 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 253 SyntacticMatches, 7 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=699, Unknown=0, NotChecked=0, Total=992
[2018-04-12 04:12:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states.
[2018-04-12 04:12:22,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 240.
[2018-04-12 04:12:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states.
[2018-04-12 04:12:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 246 transitions.
[2018-04-12 04:12:22,621 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 246 transitions. Word has length 139
[2018-04-12 04:12:22,621 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:22,622 INFO L459 AbstractCegarLoop]: Abstraction has 240 states and 246 transitions.
[2018-04-12 04:12:22,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states.
[2018-04-12 04:12:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 246 transitions.
[2018-04-12 04:12:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2018-04-12 04:12:22,623 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:22,623 INFO L355 BasicCegarLoop]: trace histogram [14, 10, 9, 9, 9, 9, 9, 9, 9, 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]
[2018-04-12 04:12:22,624 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:22,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2125191314, now seen corresponding path program 6 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:22,638 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:22,698 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 302 proven. 36 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:22,941 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 302 proven. 36 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:23,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:23,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26
[2018-04-12 04:12:23,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states
[2018-04-12 04:12:23,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2018-04-12 04:12:23,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=612, Unknown=0, NotChecked=0, Total=702
[2018-04-12 04:12:23,189 INFO L87 Difference]: Start difference. First operand 240 states and 246 transitions. Second operand 27 states.
[2018-04-12 04:12:23,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:23,709 INFO L93 Difference]: Finished difference Result 270 states and 279 transitions.
[2018-04-12 04:12:23,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2018-04-12 04:12:23,709 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 182
[2018-04-12 04:12:23,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:23,711 INFO L225 Difference]: With dead ends: 270
[2018-04-12 04:12:23,711 INFO L226 Difference]: Without dead ends: 269
[2018-04-12 04:12:23,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 329 SyntacticMatches, 11 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=280, Invalid=1700, Unknown=0, NotChecked=0, Total=1980
[2018-04-12 04:12:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2018-04-12 04:12:23,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 248.
[2018-04-12 04:12:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states.
[2018-04-12 04:12:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 255 transitions.
[2018-04-12 04:12:23,730 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 255 transitions. Word has length 182
[2018-04-12 04:12:23,731 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:23,731 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 255 transitions.
[2018-04-12 04:12:23,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states.
[2018-04-12 04:12:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 255 transitions.
[2018-04-12 04:12:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2018-04-12 04:12:23,733 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:23,733 INFO L355 BasicCegarLoop]: trace histogram [14, 10, 10, 9, 9, 9, 9, 9, 9, 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]
[2018-04-12 04:12:23,733 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:23,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1456421527, now seen corresponding path program 2 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:23,742 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:23,787 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:23,827 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:23,827 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:23,830 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:23,831 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 242 proven. 39 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked.
[2018-04-12 04:12:24,049 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 242 proven. 39 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked.
[2018-04-12 04:12:24,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:24,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 22
[2018-04-12 04:12:24,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states
[2018-04-12 04:12:24,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2018-04-12 04:12:24,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506
[2018-04-12 04:12:24,262 INFO L87 Difference]: Start difference. First operand 248 states and 255 transitions. Second operand 23 states.
[2018-04-12 04:12:25,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:25,003 INFO L93 Difference]: Finished difference Result 295 states and 320 transitions.
[2018-04-12 04:12:25,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2018-04-12 04:12:25,003 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 183
[2018-04-12 04:12:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:25,006 INFO L225 Difference]: With dead ends: 295
[2018-04-12 04:12:25,006 INFO L226 Difference]: Without dead ends: 294
[2018-04-12 04:12:25,007 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 341 SyntacticMatches, 7 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=362, Invalid=1044, Unknown=0, NotChecked=0, Total=1406
[2018-04-12 04:12:25,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2018-04-12 04:12:25,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 276.
[2018-04-12 04:12:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states.
[2018-04-12 04:12:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 289 transitions.
[2018-04-12 04:12:25,022 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 289 transitions. Word has length 183
[2018-04-12 04:12:25,022 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:25,022 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 289 transitions.
[2018-04-12 04:12:25,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states.
[2018-04-12 04:12:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 289 transitions.
[2018-04-12 04:12:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2018-04-12 04:12:25,023 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:25,023 INFO L355 BasicCegarLoop]: trace histogram [15, 11, 10, 10, 10, 10, 10, 10, 10, 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]
[2018-04-12 04:12:25,023 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:25,024 INFO L82 PathProgramCache]: Analyzing trace with hash -715588152, now seen corresponding path program 7 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:25,033 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:25,075 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 364 proven. 66 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:25,231 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 364 proven. 66 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked.
[2018-04-12 04:12:25,416 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:25,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 31
[2018-04-12 04:12:25,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states
[2018-04-12 04:12:25,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2018-04-12 04:12:25,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=789, Unknown=0, NotChecked=0, Total=930
[2018-04-12 04:12:25,417 INFO L87 Difference]: Start difference. First operand 276 states and 289 transitions. Second operand 31 states.
[2018-04-12 04:12:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:25,900 INFO L93 Difference]: Finished difference Result 466 states and 493 transitions.
[2018-04-12 04:12:25,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2018-04-12 04:12:25,900 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 191
[2018-04-12 04:12:25,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:25,902 INFO L225 Difference]: With dead ends: 466
[2018-04-12 04:12:25,902 INFO L226 Difference]: Without dead ends: 336
[2018-04-12 04:12:25,903 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 341 SyntacticMatches, 11 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=492, Invalid=2264, Unknown=0, NotChecked=0, Total=2756
[2018-04-12 04:12:25,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states.
[2018-04-12 04:12:25,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323.
[2018-04-12 04:12:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states.
[2018-04-12 04:12:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 336 transitions.
[2018-04-12 04:12:25,915 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 336 transitions. Word has length 191
[2018-04-12 04:12:25,915 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:25,915 INFO L459 AbstractCegarLoop]: Abstraction has 323 states and 336 transitions.
[2018-04-12 04:12:25,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states.
[2018-04-12 04:12:25,915 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 336 transitions.
[2018-04-12 04:12:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239
[2018-04-12 04:12:25,917 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:25,917 INFO L355 BasicCegarLoop]: trace histogram [19, 14, 13, 13, 13, 13, 13, 13, 13, 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]
[2018-04-12 04:12:25,917 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:25,917 INFO L82 PathProgramCache]: Analyzing trace with hash 719034531, now seen corresponding path program 8 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:25,927 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:25,987 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 766 proven. 33 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked.
[2018-04-12 04:12:26,149 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 766 proven. 33 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked.
[2018-04-12 04:12:26,435 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:26,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 28
[2018-04-12 04:12:26,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states
[2018-04-12 04:12:26,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2018-04-12 04:12:26,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756
[2018-04-12 04:12:26,437 INFO L87 Difference]: Start difference. First operand 323 states and 336 transitions. Second operand 28 states.
[2018-04-12 04:12:26,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:26,899 INFO L93 Difference]: Finished difference Result 471 states and 497 transitions.
[2018-04-12 04:12:26,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2018-04-12 04:12:26,900 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 238
[2018-04-12 04:12:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:26,902 INFO L225 Difference]: With dead ends: 471
[2018-04-12 04:12:26,902 INFO L226 Difference]: Without dead ends: 335
[2018-04-12 04:12:26,903 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 439 SyntacticMatches, 11 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=412, Invalid=1844, Unknown=0, NotChecked=0, Total=2256
[2018-04-12 04:12:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states.
[2018-04-12 04:12:26,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 323.
[2018-04-12 04:12:26,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states.
[2018-04-12 04:12:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 334 transitions.
[2018-04-12 04:12:26,923 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 334 transitions. Word has length 238
[2018-04-12 04:12:26,923 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:26,923 INFO L459 AbstractCegarLoop]: Abstraction has 323 states and 334 transitions.
[2018-04-12 04:12:26,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states.
[2018-04-12 04:12:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 334 transitions.
[2018-04-12 04:12:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2018-04-12 04:12:26,925 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:26,925 INFO L355 BasicCegarLoop]: trace histogram [20, 15, 14, 14, 14, 14, 14, 14, 14, 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]
[2018-04-12 04:12:26,925 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:26,926 INFO L82 PathProgramCache]: Analyzing trace with hash -384850983, now seen corresponding path program 9 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:26,935 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:26,992 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 575 proven. 66 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked.
[2018-04-12 04:12:27,187 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1256 backedges. 575 proven. 66 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked.
[2018-04-12 04:12:27,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:27,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 32
[2018-04-12 04:12:27,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states
[2018-04-12 04:12:27,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2018-04-12 04:12:27,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056
[2018-04-12 04:12:27,433 INFO L87 Difference]: Start difference. First operand 323 states and 334 transitions. Second operand 33 states.
[2018-04-12 04:12:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:28,185 INFO L93 Difference]: Finished difference Result 339 states and 350 transitions.
[2018-04-12 04:12:28,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2018-04-12 04:12:28,185 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 247
[2018-04-12 04:12:28,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:28,187 INFO L225 Difference]: With dead ends: 339
[2018-04-12 04:12:28,187 INFO L226 Difference]: Without dead ends: 338
[2018-04-12 04:12:28,188 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 450 SyntacticMatches, 13 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=387, Invalid=2583, Unknown=0, NotChecked=0, Total=2970
[2018-04-12 04:12:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states.
[2018-04-12 04:12:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 323.
[2018-04-12 04:12:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states.
[2018-04-12 04:12:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 333 transitions.
[2018-04-12 04:12:28,203 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 333 transitions. Word has length 247
[2018-04-12 04:12:28,204 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:28,204 INFO L459 AbstractCegarLoop]: Abstraction has 323 states and 333 transitions.
[2018-04-12 04:12:28,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states.
[2018-04-12 04:12:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 333 transitions.
[2018-04-12 04:12:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257
[2018-04-12 04:12:28,206 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:28,206 INFO L355 BasicCegarLoop]: trace histogram [21, 16, 15, 15, 15, 15, 15, 15, 15, 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]
[2018-04-12 04:12:28,206 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:28,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1734865505, now seen corresponding path program 10 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:28,212 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:28,271 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 675 proven. 105 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked.
[2018-04-12 04:12:28,477 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 675 proven. 105 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked.
[2018-04-12 04:12:28,793 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:28,793 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 37
[2018-04-12 04:12:28,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states
[2018-04-12 04:12:28,794 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2018-04-12 04:12:28,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1139, Unknown=0, NotChecked=0, Total=1332
[2018-04-12 04:12:28,794 INFO L87 Difference]: Start difference. First operand 323 states and 333 transitions. Second operand 37 states.
[2018-04-12 04:12:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:29,407 INFO L93 Difference]: Finished difference Result 513 states and 534 transitions.
[2018-04-12 04:12:29,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2018-04-12 04:12:29,407 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 256
[2018-04-12 04:12:29,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:29,409 INFO L225 Difference]: With dead ends: 513
[2018-04-12 04:12:29,409 INFO L226 Difference]: Without dead ends: 392
[2018-04-12 04:12:29,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 463 SyntacticMatches, 13 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=699, Invalid=3333, Unknown=0, NotChecked=0, Total=4032
[2018-04-12 04:12:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states.
[2018-04-12 04:12:29,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 379.
[2018-04-12 04:12:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states.
[2018-04-12 04:12:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 389 transitions.
[2018-04-12 04:12:29,424 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 389 transitions. Word has length 256
[2018-04-12 04:12:29,424 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:29,424 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 389 transitions.
[2018-04-12 04:12:29,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states.
[2018-04-12 04:12:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 389 transitions.
[2018-04-12 04:12:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313
[2018-04-12 04:12:29,426 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:29,426 INFO L355 BasicCegarLoop]: trace histogram [26, 20, 19, 19, 19, 19, 19, 19, 19, 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]
[2018-04-12 04:12:29,426 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:29,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1507726960, now seen corresponding path program 11 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:29,432 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:29,492 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:29,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 1393 proven. 62 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked.
[2018-04-12 04:12:29,842 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:30,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 1393 proven. 62 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked.
[2018-04-12 04:12:30,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:30,305 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 34
[2018-04-12 04:12:30,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states
[2018-04-12 04:12:30,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2018-04-12 04:12:30,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=946, Unknown=0, NotChecked=0, Total=1122
[2018-04-12 04:12:30,306 INFO L87 Difference]: Start difference. First operand 379 states and 389 transitions. Second operand 34 states.
[2018-04-12 04:12:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:30,906 INFO L93 Difference]: Finished difference Result 518 states and 537 transitions.
[2018-04-12 04:12:30,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2018-04-12 04:12:30,907 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 312
[2018-04-12 04:12:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:30,908 INFO L225 Difference]: With dead ends: 518
[2018-04-12 04:12:30,908 INFO L226 Difference]: Without dead ends: 391
[2018-04-12 04:12:30,909 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 579 SyntacticMatches, 13 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=605, Invalid=2817, Unknown=0, NotChecked=0, Total=3422
[2018-04-12 04:12:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states.
[2018-04-12 04:12:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 379.
[2018-04-12 04:12:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states.
[2018-04-12 04:12:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 387 transitions.
[2018-04-12 04:12:30,923 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 387 transitions. Word has length 312
[2018-04-12 04:12:30,923 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:30,923 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 387 transitions.
[2018-04-12 04:12:30,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states.
[2018-04-12 04:12:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 387 transitions.
[2018-04-12 04:12:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322
[2018-04-12 04:12:30,925 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:30,925 INFO L355 BasicCegarLoop]: trace histogram [27, 21, 20, 20, 20, 20, 20, 20, 20, 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]
[2018-04-12 04:12:30,925 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:30,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1262475496, now seen corresponding path program 12 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:30,935 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:31,005 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2376 backedges. 981 proven. 105 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked.
[2018-04-12 04:12:31,342 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2376 backedges. 981 proven. 105 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked.
[2018-04-12 04:12:31,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:31,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 38
[2018-04-12 04:12:31,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states
[2018-04-12 04:12:31,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants.
[2018-04-12 04:12:31,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1324, Unknown=0, NotChecked=0, Total=1482
[2018-04-12 04:12:31,834 INFO L87 Difference]: Start difference. First operand 379 states and 387 transitions. Second operand 39 states.
[2018-04-12 04:12:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:32,752 INFO L93 Difference]: Finished difference Result 395 states and 402 transitions.
[2018-04-12 04:12:32,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2018-04-12 04:12:32,752 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 321
[2018-04-12 04:12:32,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:32,754 INFO L225 Difference]: With dead ends: 395
[2018-04-12 04:12:32,754 INFO L226 Difference]: Without dead ends: 394
[2018-04-12 04:12:32,756 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 668 GetRequests, 590 SyntacticMatches, 15 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=510, Invalid=3650, Unknown=0, NotChecked=0, Total=4160
[2018-04-12 04:12:32,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states.
[2018-04-12 04:12:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 379.
[2018-04-12 04:12:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states.
[2018-04-12 04:12:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 386 transitions.
[2018-04-12 04:12:32,779 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 386 transitions. Word has length 321
[2018-04-12 04:12:32,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:32,779 INFO L459 AbstractCegarLoop]: Abstraction has 379 states and 386 transitions.
[2018-04-12 04:12:32,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states.
[2018-04-12 04:12:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 386 transitions.
[2018-04-12 04:12:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2018-04-12 04:12:32,782 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:32,782 INFO L355 BasicCegarLoop]: trace histogram [28, 22, 21, 21, 21, 21, 21, 21, 21, 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]
[2018-04-12 04:12:32,782 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:32,782 INFO L82 PathProgramCache]: Analyzing trace with hash -983502, now seen corresponding path program 13 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:32,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:32,853 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 1128 proven. 153 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked.
[2018-04-12 04:12:33,178 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 1128 proven. 153 refuted. 0 times theorem prover too weak. 1290 trivial. 0 not checked.
[2018-04-12 04:12:33,514 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:33,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 43
[2018-04-12 04:12:33,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states
[2018-04-12 04:12:33,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2018-04-12 04:12:33,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1553, Unknown=0, NotChecked=0, Total=1806
[2018-04-12 04:12:33,515 INFO L87 Difference]: Start difference. First operand 379 states and 386 transitions. Second operand 43 states.
[2018-04-12 04:12:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:34,323 INFO L93 Difference]: Finished difference Result 572 states and 587 transitions.
[2018-04-12 04:12:34,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2018-04-12 04:12:34,324 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 330
[2018-04-12 04:12:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:34,325 INFO L225 Difference]: With dead ends: 572
[2018-04-12 04:12:34,325 INFO L226 Difference]: Without dead ends: 460
[2018-04-12 04:12:34,327 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 603 SyntacticMatches, 15 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1346 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=942, Invalid=4608, Unknown=0, NotChecked=0, Total=5550
[2018-04-12 04:12:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states.
[2018-04-12 04:12:34,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 444.
[2018-04-12 04:12:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states.
[2018-04-12 04:12:34,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 451 transitions.
[2018-04-12 04:12:34,353 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 451 transitions. Word has length 330
[2018-04-12 04:12:34,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:34,354 INFO L459 AbstractCegarLoop]: Abstraction has 444 states and 451 transitions.
[2018-04-12 04:12:34,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states.
[2018-04-12 04:12:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 451 transitions.
[2018-04-12 04:12:34,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2018-04-12 04:12:34,357 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:34,357 INFO L355 BasicCegarLoop]: trace histogram [27, 20, 20, 20, 20, 20, 20, 20, 20, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:34,357 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:34,357 INFO L82 PathProgramCache]: Analyzing trace with hash 557418089, now seen corresponding path program 3 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:34,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:34,467 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2424 backedges. 1016 proven. 100 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked.
[2018-04-12 04:12:34,969 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2424 backedges. 1016 proven. 100 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked.
[2018-04-12 04:12:35,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:35,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 40
[2018-04-12 04:12:35,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states
[2018-04-12 04:12:35,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2018-04-12 04:12:35,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1326, Unknown=0, NotChecked=0, Total=1560
[2018-04-12 04:12:35,475 INFO L87 Difference]: Start difference. First operand 444 states and 451 transitions. Second operand 40 states.
[2018-04-12 04:12:36,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:36,134 INFO L93 Difference]: Finished difference Result 574 states and 586 transitions.
[2018-04-12 04:12:36,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2018-04-12 04:12:36,135 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 341
[2018-04-12 04:12:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:36,136 INFO L225 Difference]: With dead ends: 574
[2018-04-12 04:12:36,136 INFO L226 Difference]: Without dead ends: 456
[2018-04-12 04:12:36,137 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 629 SyntacticMatches, 15 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=835, Invalid=3995, Unknown=0, NotChecked=0, Total=4830
[2018-04-12 04:12:36,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states.
[2018-04-12 04:12:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 444.
[2018-04-12 04:12:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states.
[2018-04-12 04:12:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 449 transitions.
[2018-04-12 04:12:36,154 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 449 transitions. Word has length 341
[2018-04-12 04:12:36,154 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:36,154 INFO L459 AbstractCegarLoop]: Abstraction has 444 states and 449 transitions.
[2018-04-12 04:12:36,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states.
[2018-04-12 04:12:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 449 transitions.
[2018-04-12 04:12:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351
[2018-04-12 04:12:36,156 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:36,156 INFO L355 BasicCegarLoop]: trace histogram [28, 21, 21, 21, 21, 21, 21, 21, 21, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:36,156 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:36,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1394418355, now seen corresponding path program 4 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:36,162 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:36,237 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2618 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:36,484 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2618 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:36,710 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:36,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32
[2018-04-12 04:12:36,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states
[2018-04-12 04:12:36,711 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2018-04-12 04:12:36,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992
[2018-04-12 04:12:36,712 INFO L87 Difference]: Start difference. First operand 444 states and 449 transitions. Second operand 32 states.
[2018-04-12 04:12:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:37,228 INFO L93 Difference]: Finished difference Result 560 states and 581 transitions.
[2018-04-12 04:12:37,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2018-04-12 04:12:37,229 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 350
[2018-04-12 04:12:37,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:37,232 INFO L225 Difference]: With dead ends: 560
[2018-04-12 04:12:37,232 INFO L226 Difference]: Without dead ends: 538
[2018-04-12 04:12:37,233 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1155, Invalid=2385, Unknown=0, NotChecked=0, Total=3540
[2018-04-12 04:12:37,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states.
[2018-04-12 04:12:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 513.
[2018-04-12 04:12:37,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states.
[2018-04-12 04:12:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 532 transitions.
[2018-04-12 04:12:37,267 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 532 transitions. Word has length 350
[2018-04-12 04:12:37,268 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:37,268 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 532 transitions.
[2018-04-12 04:12:37,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states.
[2018-04-12 04:12:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 532 transitions.
[2018-04-12 04:12:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405
[2018-04-12 04:12:37,271 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:37,271 INFO L355 BasicCegarLoop]: trace histogram [35, 28, 27, 27, 27, 27, 27, 27, 27, 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]
[2018-04-12 04:12:37,271 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:37,272 INFO L82 PathProgramCache]: Analyzing trace with hash 641806531, now seen corresponding path program 14 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:37,280 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:37,403 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4115 backedges. 1547 proven. 153 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:37,826 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:38,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4115 backedges. 1547 proven. 153 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:38,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:38,282 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 44
[2018-04-12 04:12:38,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states
[2018-04-12 04:12:38,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants.
[2018-04-12 04:12:38,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1782, Unknown=0, NotChecked=0, Total=1980
[2018-04-12 04:12:38,284 INFO L87 Difference]: Start difference. First operand 513 states and 532 transitions. Second operand 45 states.
[2018-04-12 04:12:39,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:39,330 INFO L93 Difference]: Finished difference Result 533 states and 557 transitions.
[2018-04-12 04:12:39,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2018-04-12 04:12:39,330 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 404
[2018-04-12 04:12:39,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:39,332 INFO L225 Difference]: With dead ends: 533
[2018-04-12 04:12:39,332 INFO L226 Difference]: Without dead ends: 532
[2018-04-12 04:12:39,334 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 838 GetRequests, 748 SyntacticMatches, 17 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1623 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=649, Invalid=4901, Unknown=0, NotChecked=0, Total=5550
[2018-04-12 04:12:39,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states.
[2018-04-12 04:12:39,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 513.
[2018-04-12 04:12:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states.
[2018-04-12 04:12:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 531 transitions.
[2018-04-12 04:12:39,364 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 531 transitions. Word has length 404
[2018-04-12 04:12:39,365 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:39,365 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 531 transitions.
[2018-04-12 04:12:39,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states.
[2018-04-12 04:12:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 531 transitions.
[2018-04-12 04:12:39,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409
[2018-04-12 04:12:39,368 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:39,368 INFO L355 BasicCegarLoop]: trace histogram [35, 27, 27, 27, 27, 27, 27, 27, 27, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:39,369 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash -880818923, now seen corresponding path program 4 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:39,378 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:39,468 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4123 backedges. 1540 proven. 147 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked.
[2018-04-12 04:12:39,952 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4123 backedges. 1540 proven. 147 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked.
[2018-04-12 04:12:40,438 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:40,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 46
[2018-04-12 04:12:40,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states
[2018-04-12 04:12:40,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2018-04-12 04:12:40,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=1770, Unknown=0, NotChecked=0, Total=2070
[2018-04-12 04:12:40,440 INFO L87 Difference]: Start difference. First operand 513 states and 531 transitions. Second operand 46 states.
[2018-04-12 04:12:41,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:41,244 INFO L93 Difference]: Finished difference Result 704 states and 745 transitions.
[2018-04-12 04:12:41,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2018-04-12 04:12:41,244 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 408
[2018-04-12 04:12:41,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:41,246 INFO L225 Difference]: With dead ends: 704
[2018-04-12 04:12:41,246 INFO L226 Difference]: Without dead ends: 529
[2018-04-12 04:12:41,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 851 GetRequests, 755 SyntacticMatches, 17 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2354 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1102, Invalid=5378, Unknown=0, NotChecked=0, Total=6480
[2018-04-12 04:12:41,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states.
[2018-04-12 04:12:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 513.
[2018-04-12 04:12:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states.
[2018-04-12 04:12:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 530 transitions.
[2018-04-12 04:12:41,267 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 530 transitions. Word has length 408
[2018-04-12 04:12:41,267 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:41,267 INFO L459 AbstractCegarLoop]: Abstraction has 513 states and 530 transitions.
[2018-04-12 04:12:41,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states.
[2018-04-12 04:12:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 530 transitions.
[2018-04-12 04:12:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414
[2018-04-12 04:12:41,270 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:41,270 INFO L355 BasicCegarLoop]: trace histogram [36, 29, 28, 28, 28, 28, 28, 28, 28, 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]
[2018-04-12 04:12:41,270 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:41,270 INFO L82 PathProgramCache]: Analyzing trace with hash -430617417, now seen corresponding path program 15 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:41,277 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:41,351 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:41,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4375 backedges. 1750 proven. 210 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:41,878 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:42,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4375 backedges. 1750 proven. 210 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked.
[2018-04-12 04:12:42,321 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:42,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 49
[2018-04-12 04:12:42,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states
[2018-04-12 04:12:42,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2018-04-12 04:12:42,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=2031, Unknown=0, NotChecked=0, Total=2352
[2018-04-12 04:12:42,322 INFO L87 Difference]: Start difference. First operand 513 states and 530 transitions. Second operand 49 states.
[2018-04-12 04:12:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:43,326 INFO L93 Difference]: Finished difference Result 770 states and 803 transitions.
[2018-04-12 04:12:43,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2018-04-12 04:12:43,326 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 413
[2018-04-12 04:12:43,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:43,329 INFO L225 Difference]: With dead ends: 770
[2018-04-12 04:12:43,329 INFO L226 Difference]: Without dead ends: 598
[2018-04-12 04:12:43,331 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 761 SyntacticMatches, 17 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1816 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1221, Invalid=6089, Unknown=0, NotChecked=0, Total=7310
[2018-04-12 04:12:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states.
[2018-04-12 04:12:43,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 587.
[2018-04-12 04:12:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states.
[2018-04-12 04:12:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 603 transitions.
[2018-04-12 04:12:43,352 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 603 transitions. Word has length 413
[2018-04-12 04:12:43,353 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:43,353 INFO L459 AbstractCegarLoop]: Abstraction has 587 states and 603 transitions.
[2018-04-12 04:12:43,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states.
[2018-04-12 04:12:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 603 transitions.
[2018-04-12 04:12:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418
[2018-04-12 04:12:43,355 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:43,355 INFO L355 BasicCegarLoop]: trace histogram [36, 28, 28, 28, 28, 28, 28, 28, 28, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:12:43,355 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:43,355 INFO L82 PathProgramCache]: Analyzing trace with hash -344144119, now seen corresponding path program 5 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:43,361 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:43,440 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:43,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:43,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:43,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:43,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4382 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:44,032 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4382 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:44,572 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:44,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 34
[2018-04-12 04:12:44,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states
[2018-04-12 04:12:44,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2018-04-12 04:12:44,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190
[2018-04-12 04:12:44,573 INFO L87 Difference]: Start difference. First operand 587 states and 603 transitions. Second operand 35 states.
[2018-04-12 04:12:46,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:46,052 INFO L93 Difference]: Finished difference Result 605 states and 621 transitions.
[2018-04-12 04:12:46,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2018-04-12 04:12:46,052 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 417
[2018-04-12 04:12:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:46,054 INFO L225 Difference]: With dead ends: 605
[2018-04-12 04:12:46,054 INFO L226 Difference]: Without dead ends: 604
[2018-04-12 04:12:46,055 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 785 SyntacticMatches, 15 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1041, Invalid=2991, Unknown=0, NotChecked=0, Total=4032
[2018-04-12 04:12:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states.
[2018-04-12 04:12:46,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 590.
[2018-04-12 04:12:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states.
[2018-04-12 04:12:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 600 transitions.
[2018-04-12 04:12:46,080 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 600 transitions. Word has length 417
[2018-04-12 04:12:46,081 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:46,081 INFO L459 AbstractCegarLoop]: Abstraction has 590 states and 600 transitions.
[2018-04-12 04:12:46,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states.
[2018-04-12 04:12:46,081 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 600 transitions.
[2018-04-12 04:12:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497
[2018-04-12 04:12:46,084 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:46,085 INFO L355 BasicCegarLoop]: trace histogram [44, 36, 35, 35, 35, 35, 35, 35, 35, 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]
[2018-04-12 04:12:46,085 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:46,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1407075858, now seen corresponding path program 16 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:46,095 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:46,213 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6668 backedges. 2300 proven. 210 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:46,742 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6668 backedges. 2300 proven. 210 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:47,331 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:47,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 50
[2018-04-12 04:12:47,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states
[2018-04-12 04:12:47,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants.
[2018-04-12 04:12:47,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=2308, Unknown=0, NotChecked=0, Total=2550
[2018-04-12 04:12:47,333 INFO L87 Difference]: Start difference. First operand 590 states and 600 transitions. Second operand 51 states.
[2018-04-12 04:12:48,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:48,687 INFO L93 Difference]: Finished difference Result 620 states and 637 transitions.
[2018-04-12 04:12:48,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2018-04-12 04:12:48,688 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 496
[2018-04-12 04:12:48,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:48,690 INFO L225 Difference]: With dead ends: 620
[2018-04-12 04:12:48,690 INFO L226 Difference]: Without dead ends: 619
[2018-04-12 04:12:48,691 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1027 GetRequests, 925 SyntacticMatches, 19 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2127 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=804, Invalid=6336, Unknown=0, NotChecked=0, Total=7140
[2018-04-12 04:12:48,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states.
[2018-04-12 04:12:48,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 598.
[2018-04-12 04:12:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states.
[2018-04-12 04:12:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 609 transitions.
[2018-04-12 04:12:48,728 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 609 transitions. Word has length 496
[2018-04-12 04:12:48,728 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:48,728 INFO L459 AbstractCegarLoop]: Abstraction has 598 states and 609 transitions.
[2018-04-12 04:12:48,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states.
[2018-04-12 04:12:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 609 transitions.
[2018-04-12 04:12:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498
[2018-04-12 04:12:48,732 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:48,732 INFO L355 BasicCegarLoop]: trace histogram [44, 36, 36, 35, 35, 35, 35, 35, 35, 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]
[2018-04-12 04:12:48,732 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:48,733 INFO L82 PathProgramCache]: Analyzing trace with hash 669678871, now seen corresponding path program 3 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:48,741 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:48,839 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:48,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:12:48,841 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:48,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:12:48,844 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:12:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6703 backedges. 2052 proven. 217 refuted. 0 times theorem prover too weak. 4434 trivial. 0 not checked.
[2018-04-12 04:12:49,462 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6703 backedges. 2052 proven. 217 refuted. 0 times theorem prover too weak. 4434 trivial. 0 not checked.
[2018-04-12 04:12:50,069 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:50,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38
[2018-04-12 04:12:50,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states
[2018-04-12 04:12:50,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants.
[2018-04-12 04:12:50,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482
[2018-04-12 04:12:50,071 INFO L87 Difference]: Start difference. First operand 598 states and 609 transitions. Second operand 39 states.
[2018-04-12 04:12:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:52,057 INFO L93 Difference]: Finished difference Result 697 states and 778 transitions.
[2018-04-12 04:12:52,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2018-04-12 04:12:52,057 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 497
[2018-04-12 04:12:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:52,059 INFO L225 Difference]: With dead ends: 697
[2018-04-12 04:12:52,059 INFO L226 Difference]: Without dead ends: 696
[2018-04-12 04:12:52,060 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 949 SyntacticMatches, 15 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1158, Invalid=3672, Unknown=0, NotChecked=0, Total=4830
[2018-04-12 04:12:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states.
[2018-04-12 04:12:52,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 662.
[2018-04-12 04:12:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states.
[2018-04-12 04:12:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 687 transitions.
[2018-04-12 04:12:52,090 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 687 transitions. Word has length 497
[2018-04-12 04:12:52,090 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:52,090 INFO L459 AbstractCegarLoop]: Abstraction has 662 states and 687 transitions.
[2018-04-12 04:12:52,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states.
[2018-04-12 04:12:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 687 transitions.
[2018-04-12 04:12:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506
[2018-04-12 04:12:52,093 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:52,094 INFO L355 BasicCegarLoop]: trace histogram [45, 37, 36, 36, 36, 36, 36, 36, 36, 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]
[2018-04-12 04:12:52,094 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:52,094 INFO L82 PathProgramCache]: Analyzing trace with hash 575258696, now seen corresponding path program 17 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:52,105 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:52,208 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7002 backedges. 2568 proven. 276 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:52,685 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7002 backedges. 2568 proven. 276 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked.
[2018-04-12 04:12:53,239 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:53,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38] total 55
[2018-04-12 04:12:53,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states
[2018-04-12 04:12:53,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants.
[2018-04-12 04:12:53,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2573, Unknown=0, NotChecked=0, Total=2970
[2018-04-12 04:12:53,240 INFO L87 Difference]: Start difference. First operand 662 states and 687 transitions. Second operand 55 states.
[2018-04-12 04:12:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:54,359 INFO L93 Difference]: Finished difference Result 996 states and 1047 transitions.
[2018-04-12 04:12:54,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states.
[2018-04-12 04:12:54,360 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 505
[2018-04-12 04:12:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:54,362 INFO L225 Difference]: With dead ends: 996
[2018-04-12 04:12:54,362 INFO L226 Difference]: Without dead ends: 758
[2018-04-12 04:12:54,364 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 937 SyntacticMatches, 19 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2356 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1536, Invalid=7776, Unknown=0, NotChecked=0, Total=9312
[2018-04-12 04:12:54,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states.
[2018-04-12 04:12:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 745.
[2018-04-12 04:12:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states.
[2018-04-12 04:12:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 770 transitions.
[2018-04-12 04:12:54,391 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 770 transitions. Word has length 505
[2018-04-12 04:12:54,392 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:54,392 INFO L459 AbstractCegarLoop]: Abstraction has 745 states and 770 transitions.
[2018-04-12 04:12:54,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states.
[2018-04-12 04:12:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 770 transitions.
[2018-04-12 04:12:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589
[2018-04-12 04:12:54,395 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:54,395 INFO L355 BasicCegarLoop]: trace histogram [53, 44, 43, 43, 43, 43, 43, 43, 43, 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]
[2018-04-12 04:12:54,395 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:54,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2068505821, now seen corresponding path program 18 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:54,403 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:54,515 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9849 backedges. 5188 proven. 203 refuted. 0 times theorem prover too weak. 4458 trivial. 0 not checked.
[2018-04-12 04:12:55,014 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9849 backedges. 5188 proven. 203 refuted. 0 times theorem prover too weak. 4458 trivial. 0 not checked.
[2018-04-12 04:12:55,628 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:55,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 52
[2018-04-12 04:12:55,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states
[2018-04-12 04:12:55,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants.
[2018-04-12 04:12:55,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=2278, Unknown=0, NotChecked=0, Total=2652
[2018-04-12 04:12:55,630 INFO L87 Difference]: Start difference. First operand 745 states and 770 transitions. Second operand 52 states.
[2018-04-12 04:12:56,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:56,584 INFO L93 Difference]: Finished difference Result 1001 states and 1055 transitions.
[2018-04-12 04:12:56,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2018-04-12 04:12:56,584 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 588
[2018-04-12 04:12:56,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:56,587 INFO L225 Difference]: With dead ends: 1001
[2018-04-12 04:12:56,587 INFO L226 Difference]: Without dead ends: 757
[2018-04-12 04:12:56,588 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1216 GetRequests, 1107 SyntacticMatches, 19 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3110 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1406, Invalid=6966, Unknown=0, NotChecked=0, Total=8372
[2018-04-12 04:12:56,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states.
[2018-04-12 04:12:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 745.
[2018-04-12 04:12:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states.
[2018-04-12 04:12:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 768 transitions.
[2018-04-12 04:12:56,614 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 768 transitions. Word has length 588
[2018-04-12 04:12:56,615 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:56,615 INFO L459 AbstractCegarLoop]: Abstraction has 745 states and 768 transitions.
[2018-04-12 04:12:56,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states.
[2018-04-12 04:12:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 768 transitions.
[2018-04-12 04:12:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598
[2018-04-12 04:12:56,618 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:56,618 INFO L355 BasicCegarLoop]: trace histogram [54, 45, 44, 44, 44, 44, 44, 44, 44, 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]
[2018-04-12 04:12:56,618 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:56,618 INFO L82 PathProgramCache]: Analyzing trace with hash 417011801, now seen corresponding path program 19 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:56,625 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:56,727 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:12:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10257 backedges. 3267 proven. 276 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked.
[2018-04-12 04:12:57,294 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:12:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 10257 backedges. 3267 proven. 276 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked.
[2018-04-12 04:12:58,041 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:12:58,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 56
[2018-04-12 04:12:58,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states
[2018-04-12 04:12:58,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2018-04-12 04:12:58,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=2902, Unknown=0, NotChecked=0, Total=3192
[2018-04-12 04:12:58,042 INFO L87 Difference]: Start difference. First operand 745 states and 768 transitions. Second operand 57 states.
[2018-04-12 04:12:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:12:59,634 INFO L93 Difference]: Finished difference Result 761 states and 788 transitions.
[2018-04-12 04:12:59,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2018-04-12 04:12:59,635 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 597
[2018-04-12 04:12:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:12:59,637 INFO L225 Difference]: With dead ends: 761
[2018-04-12 04:12:59,637 INFO L226 Difference]: Without dead ends: 760
[2018-04-12 04:12:59,637 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1232 GetRequests, 1118 SyntacticMatches, 21 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2699 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=975, Invalid=7955, Unknown=0, NotChecked=0, Total=8930
[2018-04-12 04:12:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states.
[2018-04-12 04:12:59,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 745.
[2018-04-12 04:12:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states.
[2018-04-12 04:12:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 767 transitions.
[2018-04-12 04:12:59,662 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 767 transitions. Word has length 597
[2018-04-12 04:12:59,663 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:12:59,663 INFO L459 AbstractCegarLoop]: Abstraction has 745 states and 767 transitions.
[2018-04-12 04:12:59,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states.
[2018-04-12 04:12:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 767 transitions.
[2018-04-12 04:12:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607
[2018-04-12 04:12:59,665 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:12:59,666 INFO L355 BasicCegarLoop]: trace histogram [55, 46, 45, 45, 45, 45, 45, 45, 45, 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]
[2018-04-12 04:12:59,666 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:12:59,666 INFO L82 PathProgramCache]: Analyzing trace with hash 938970593, now seen corresponding path program 20 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:12:59,673 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:12:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:12:59,775 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 10674 backedges. 3609 proven. 351 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked.
[2018-04-12 04:13:00,356 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 10674 backedges. 3609 proven. 351 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked.
[2018-04-12 04:13:01,029 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:01,029 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42] total 61
[2018-04-12 04:13:01,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states
[2018-04-12 04:13:01,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants.
[2018-04-12 04:13:01,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=3179, Unknown=0, NotChecked=0, Total=3660
[2018-04-12 04:13:01,030 INFO L87 Difference]: Start difference. First operand 745 states and 767 transitions. Second operand 61 states.
[2018-04-12 04:13:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:02,375 INFO L93 Difference]: Finished difference Result 1079 states and 1124 transitions.
[2018-04-12 04:13:02,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states.
[2018-04-12 04:13:02,375 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 606
[2018-04-12 04:13:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:02,377 INFO L225 Difference]: With dead ends: 1079
[2018-04-12 04:13:02,378 INFO L226 Difference]: Without dead ends: 850
[2018-04-12 04:13:02,380 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1131 SyntacticMatches, 21 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2966 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1887, Invalid=9669, Unknown=0, NotChecked=0, Total=11556
[2018-04-12 04:13:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states.
[2018-04-12 04:13:02,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 837.
[2018-04-12 04:13:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states.
[2018-04-12 04:13:02,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 859 transitions.
[2018-04-12 04:13:02,419 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 859 transitions. Word has length 606
[2018-04-12 04:13:02,420 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:02,420 INFO L459 AbstractCegarLoop]: Abstraction has 837 states and 859 transitions.
[2018-04-12 04:13:02,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states.
[2018-04-12 04:13:02,420 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 859 transitions.
[2018-04-12 04:13:02,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699
[2018-04-12 04:13:02,423 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:02,423 INFO L355 BasicCegarLoop]: trace histogram [64, 54, 53, 53, 53, 53, 53, 53, 53, 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]
[2018-04-12 04:13:02,423 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:02,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1792910448, now seen corresponding path program 21 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:02,429 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:02,540 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14631 backedges. 7271 proven. 268 refuted. 0 times theorem prover too weak. 7092 trivial. 0 not checked.
[2018-04-12 04:13:03,146 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 14631 backedges. 7271 proven. 268 refuted. 0 times theorem prover too weak. 7092 trivial. 0 not checked.
[2018-04-12 04:13:03,911 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:03,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 58
[2018-04-12 04:13:03,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states
[2018-04-12 04:13:03,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants.
[2018-04-12 04:13:03,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2850, Unknown=0, NotChecked=0, Total=3306
[2018-04-12 04:13:03,914 INFO L87 Difference]: Start difference. First operand 837 states and 859 transitions. Second operand 58 states.
[2018-04-12 04:13:04,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:04,841 INFO L93 Difference]: Finished difference Result 1084 states and 1131 transitions.
[2018-04-12 04:13:04,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states.
[2018-04-12 04:13:04,882 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 698
[2018-04-12 04:13:04,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:04,885 INFO L225 Difference]: With dead ends: 1084
[2018-04-12 04:13:04,885 INFO L226 Difference]: Without dead ends: 849
[2018-04-12 04:13:04,886 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1441 GetRequests, 1319 SyntacticMatches, 21 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3971 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1747, Invalid=8759, Unknown=0, NotChecked=0, Total=10506
[2018-04-12 04:13:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states.
[2018-04-12 04:13:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 837.
[2018-04-12 04:13:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states.
[2018-04-12 04:13:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 857 transitions.
[2018-04-12 04:13:04,918 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 857 transitions. Word has length 698
[2018-04-12 04:13:04,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:04,918 INFO L459 AbstractCegarLoop]: Abstraction has 837 states and 857 transitions.
[2018-04-12 04:13:04,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states.
[2018-04-12 04:13:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 857 transitions.
[2018-04-12 04:13:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708
[2018-04-12 04:13:04,922 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:04,922 INFO L355 BasicCegarLoop]: trace histogram [65, 55, 54, 54, 54, 54, 54, 54, 54, 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]
[2018-04-12 04:13:04,922 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:04,922 INFO L82 PathProgramCache]: Analyzing trace with hash 637649896, now seen corresponding path program 22 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:04,928 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:05,052 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15131 backedges. 4475 proven. 351 refuted. 0 times theorem prover too weak. 10305 trivial. 0 not checked.
[2018-04-12 04:13:05,758 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15131 backedges. 4475 proven. 351 refuted. 0 times theorem prover too weak. 10305 trivial. 0 not checked.
[2018-04-12 04:13:06,602 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:06,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 62
[2018-04-12 04:13:06,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 63 states
[2018-04-12 04:13:06,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants.
[2018-04-12 04:13:06,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=3564, Unknown=0, NotChecked=0, Total=3906
[2018-04-12 04:13:06,604 INFO L87 Difference]: Start difference. First operand 837 states and 857 transitions. Second operand 63 states.
[2018-04-12 04:13:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:08,496 INFO L93 Difference]: Finished difference Result 853 states and 876 transitions.
[2018-04-12 04:13:08,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2018-04-12 04:13:08,497 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 707
[2018-04-12 04:13:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:08,499 INFO L225 Difference]: With dead ends: 853
[2018-04-12 04:13:08,499 INFO L226 Difference]: Without dead ends: 852
[2018-04-12 04:13:08,500 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1456 GetRequests, 1330 SyntacticMatches, 23 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3339 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1162, Invalid=9758, Unknown=0, NotChecked=0, Total=10920
[2018-04-12 04:13:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states.
[2018-04-12 04:13:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 837.
[2018-04-12 04:13:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states.
[2018-04-12 04:13:08,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 856 transitions.
[2018-04-12 04:13:08,529 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 856 transitions. Word has length 707
[2018-04-12 04:13:08,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:08,530 INFO L459 AbstractCegarLoop]: Abstraction has 837 states and 856 transitions.
[2018-04-12 04:13:08,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states.
[2018-04-12 04:13:08,530 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 856 transitions.
[2018-04-12 04:13:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717
[2018-04-12 04:13:08,535 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:08,536 INFO L355 BasicCegarLoop]: trace histogram [66, 56, 55, 55, 55, 55, 55, 55, 55, 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]
[2018-04-12 04:13:08,536 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:08,536 INFO L82 PathProgramCache]: Analyzing trace with hash 422015794, now seen corresponding path program 23 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:08,542 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:08,662 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15640 backedges. 4900 proven. 435 refuted. 0 times theorem prover too weak. 10305 trivial. 0 not checked.
[2018-04-12 04:13:09,376 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 15640 backedges. 4900 proven. 435 refuted. 0 times theorem prover too weak. 10305 trivial. 0 not checked.
[2018-04-12 04:13:10,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:10,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46] total 67
[2018-04-12 04:13:10,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states
[2018-04-12 04:13:10,250 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants.
[2018-04-12 04:13:10,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=3849, Unknown=0, NotChecked=0, Total=4422
[2018-04-12 04:13:10,250 INFO L87 Difference]: Start difference. First operand 837 states and 856 transitions. Second operand 67 states.
[2018-04-12 04:13:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:11,903 INFO L93 Difference]: Finished difference Result 1171 states and 1210 transitions.
[2018-04-12 04:13:11,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states.
[2018-04-12 04:13:11,904 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 716
[2018-04-12 04:13:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:11,906 INFO L225 Difference]: With dead ends: 1171
[2018-04-12 04:13:11,906 INFO L226 Difference]: Without dead ends: 951
[2018-04-12 04:13:11,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1483 GetRequests, 1343 SyntacticMatches, 23 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3646 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2274, Invalid=11768, Unknown=0, NotChecked=0, Total=14042
[2018-04-12 04:13:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states.
[2018-04-12 04:13:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 938.
[2018-04-12 04:13:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states.
[2018-04-12 04:13:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 957 transitions.
[2018-04-12 04:13:11,941 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 957 transitions. Word has length 716
[2018-04-12 04:13:11,941 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:11,941 INFO L459 AbstractCegarLoop]: Abstraction has 938 states and 957 transitions.
[2018-04-12 04:13:11,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states.
[2018-04-12 04:13:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 957 transitions.
[2018-04-12 04:13:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818
[2018-04-12 04:13:11,946 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:11,947 INFO L355 BasicCegarLoop]: trace histogram [76, 65, 64, 64, 64, 64, 64, 64, 64, 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]
[2018-04-12 04:13:11,947 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:11,947 INFO L82 PathProgramCache]: Analyzing trace with hash 963149049, now seen corresponding path program 24 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:11,954 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:12,109 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 20965 backedges. 9853 proven. 342 refuted. 0 times theorem prover too weak. 10770 trivial. 0 not checked.
[2018-04-12 04:13:12,853 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20965 backedges. 9853 proven. 342 refuted. 0 times theorem prover too weak. 10770 trivial. 0 not checked.
[2018-04-12 04:13:13,804 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:13,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44] total 64
[2018-04-12 04:13:13,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states
[2018-04-12 04:13:13,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2018-04-12 04:13:13,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=3486, Unknown=0, NotChecked=0, Total=4032
[2018-04-12 04:13:13,806 INFO L87 Difference]: Start difference. First operand 938 states and 957 transitions. Second operand 64 states.
[2018-04-12 04:13:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:15,112 INFO L93 Difference]: Finished difference Result 1176 states and 1216 transitions.
[2018-04-12 04:13:15,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states.
[2018-04-12 04:13:15,113 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 817
[2018-04-12 04:13:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:15,116 INFO L225 Difference]: With dead ends: 1176
[2018-04-12 04:13:15,117 INFO L226 Difference]: Without dead ends: 950
[2018-04-12 04:13:15,118 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1684 GetRequests, 1549 SyntacticMatches, 23 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4937 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2125, Invalid=10757, Unknown=0, NotChecked=0, Total=12882
[2018-04-12 04:13:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states.
[2018-04-12 04:13:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 938.
[2018-04-12 04:13:15,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states.
[2018-04-12 04:13:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 955 transitions.
[2018-04-12 04:13:15,153 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 955 transitions. Word has length 817
[2018-04-12 04:13:15,153 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:15,153 INFO L459 AbstractCegarLoop]: Abstraction has 938 states and 955 transitions.
[2018-04-12 04:13:15,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states.
[2018-04-12 04:13:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 955 transitions.
[2018-04-12 04:13:15,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827
[2018-04-12 04:13:15,157 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:15,158 INFO L355 BasicCegarLoop]: trace histogram [77, 66, 65, 65, 65, 65, 65, 65, 65, 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]
[2018-04-12 04:13:15,158 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:15,158 INFO L82 PathProgramCache]: Analyzing trace with hash -269505853, now seen corresponding path program 25 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:15,168 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:15,317 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21566 backedges. 5951 proven. 435 refuted. 0 times theorem prover too weak. 15180 trivial. 0 not checked.
[2018-04-12 04:13:16,279 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:17,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21566 backedges. 5951 proven. 435 refuted. 0 times theorem prover too weak. 15180 trivial. 0 not checked.
[2018-04-12 04:13:17,308 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:17,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 68
[2018-04-12 04:13:17,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states
[2018-04-12 04:13:17,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants.
[2018-04-12 04:13:17,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=4294, Unknown=0, NotChecked=0, Total=4692
[2018-04-12 04:13:17,309 INFO L87 Difference]: Start difference. First operand 938 states and 955 transitions. Second operand 69 states.
[2018-04-12 04:13:19,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:19,428 INFO L93 Difference]: Finished difference Result 954 states and 973 transitions.
[2018-04-12 04:13:19,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states.
[2018-04-12 04:13:19,428 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 826
[2018-04-12 04:13:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:19,430 INFO L225 Difference]: With dead ends: 954
[2018-04-12 04:13:19,430 INFO L226 Difference]: Without dead ends: 953
[2018-04-12 04:13:19,431 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1698 GetRequests, 1560 SyntacticMatches, 25 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4047 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1365, Invalid=11745, Unknown=0, NotChecked=0, Total=13110
[2018-04-12 04:13:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states.
[2018-04-12 04:13:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 938.
[2018-04-12 04:13:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states.
[2018-04-12 04:13:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 954 transitions.
[2018-04-12 04:13:19,463 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 954 transitions. Word has length 826
[2018-04-12 04:13:19,463 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:19,463 INFO L459 AbstractCegarLoop]: Abstraction has 938 states and 954 transitions.
[2018-04-12 04:13:19,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states.
[2018-04-12 04:13:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 954 transitions.
[2018-04-12 04:13:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 836
[2018-04-12 04:13:19,468 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:19,468 INFO L355 BasicCegarLoop]: trace histogram [78, 67, 66, 66, 66, 66, 66, 66, 66, 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]
[2018-04-12 04:13:19,468 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:19,468 INFO L82 PathProgramCache]: Analyzing trace with hash 542118583, now seen corresponding path program 26 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:19,476 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:19,615 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 22176 backedges. 6468 proven. 528 refuted. 0 times theorem prover too weak. 15180 trivial. 0 not checked.
[2018-04-12 04:13:20,500 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 22176 backedges. 6468 proven. 528 refuted. 0 times theorem prover too weak. 15180 trivial. 0 not checked.
[2018-04-12 04:13:21,547 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:21,548 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50] total 73
[2018-04-12 04:13:21,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states
[2018-04-12 04:13:21,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants.
[2018-04-12 04:13:21,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=4583, Unknown=0, NotChecked=0, Total=5256
[2018-04-12 04:13:21,549 INFO L87 Difference]: Start difference. First operand 938 states and 954 transitions. Second operand 73 states.
[2018-04-12 04:13:23,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:23,401 INFO L93 Difference]: Finished difference Result 1272 states and 1305 transitions.
[2018-04-12 04:13:23,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states.
[2018-04-12 04:13:23,401 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 835
[2018-04-12 04:13:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:23,404 INFO L225 Difference]: With dead ends: 1272
[2018-04-12 04:13:23,404 INFO L226 Difference]: Without dead ends: 1061
[2018-04-12 04:13:23,406 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1726 GetRequests, 1573 SyntacticMatches, 25 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4396 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2697, Invalid=14073, Unknown=0, NotChecked=0, Total=16770
[2018-04-12 04:13:23,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states.
[2018-04-12 04:13:23,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1048.
[2018-04-12 04:13:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states.
[2018-04-12 04:13:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1064 transitions.
[2018-04-12 04:13:23,443 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1064 transitions. Word has length 835
[2018-04-12 04:13:23,443 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:23,443 INFO L459 AbstractCegarLoop]: Abstraction has 1048 states and 1064 transitions.
[2018-04-12 04:13:23,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states.
[2018-04-12 04:13:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1064 transitions.
[2018-04-12 04:13:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 946
[2018-04-12 04:13:23,448 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:23,448 INFO L355 BasicCegarLoop]: trace histogram [89, 77, 76, 76, 76, 76, 76, 76, 76, 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]
[2018-04-12 04:13:23,448 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:23,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1628900346, now seen corresponding path program 27 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:23,456 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:23,623 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 29154 backedges. 12988 proven. 425 refuted. 0 times theorem prover too weak. 15741 trivial. 0 not checked.
[2018-04-12 04:13:24,525 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 29154 backedges. 12988 proven. 425 refuted. 0 times theorem prover too weak. 15741 trivial. 0 not checked.
[2018-04-12 04:13:25,708 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:25,716 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 70
[2018-04-12 04:13:25,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states
[2018-04-12 04:13:25,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants.
[2018-04-12 04:13:25,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=4186, Unknown=0, NotChecked=0, Total=4830
[2018-04-12 04:13:25,718 INFO L87 Difference]: Start difference. First operand 1048 states and 1064 transitions. Second operand 70 states.
[2018-04-12 04:13:27,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:27,372 INFO L93 Difference]: Finished difference Result 1277 states and 1310 transitions.
[2018-04-12 04:13:27,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states.
[2018-04-12 04:13:27,372 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 945
[2018-04-12 04:13:27,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:27,375 INFO L225 Difference]: With dead ends: 1277
[2018-04-12 04:13:27,375 INFO L226 Difference]: Without dead ends: 1060
[2018-04-12 04:13:27,376 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1945 GetRequests, 1797 SyntacticMatches, 25 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6008 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2540, Invalid=12960, Unknown=0, NotChecked=0, Total=15500
[2018-04-12 04:13:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states.
[2018-04-12 04:13:27,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1048.
[2018-04-12 04:13:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states.
[2018-04-12 04:13:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1062 transitions.
[2018-04-12 04:13:27,411 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1062 transitions. Word has length 945
[2018-04-12 04:13:27,412 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:27,412 INFO L459 AbstractCegarLoop]: Abstraction has 1048 states and 1062 transitions.
[2018-04-12 04:13:27,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states.
[2018-04-12 04:13:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1062 transitions.
[2018-04-12 04:13:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955
[2018-04-12 04:13:27,417 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:27,417 INFO L355 BasicCegarLoop]: trace histogram [90, 78, 77, 77, 77, 77, 77, 77, 77, 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]
[2018-04-12 04:13:27,417 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:27,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2050312594, now seen corresponding path program 28 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:27,423 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:27,577 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 29865 backedges. 7722 proven. 528 refuted. 0 times theorem prover too weak. 21615 trivial. 0 not checked.
[2018-04-12 04:13:28,712 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 29865 backedges. 7722 proven. 528 refuted. 0 times theorem prover too weak. 21615 trivial. 0 not checked.
[2018-04-12 04:13:29,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:29,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51] total 74
[2018-04-12 04:13:29,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 75 states
[2018-04-12 04:13:29,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants.
[2018-04-12 04:13:29,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=458, Invalid=5092, Unknown=0, NotChecked=0, Total=5550
[2018-04-12 04:13:29,976 INFO L87 Difference]: Start difference. First operand 1048 states and 1062 transitions. Second operand 75 states.
[2018-04-12 04:13:32,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:32,593 INFO L93 Difference]: Finished difference Result 1064 states and 1079 transitions.
[2018-04-12 04:13:32,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states.
[2018-04-12 04:13:32,593 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 954
[2018-04-12 04:13:32,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:32,596 INFO L225 Difference]: With dead ends: 1064
[2018-04-12 04:13:32,596 INFO L226 Difference]: Without dead ends: 1063
[2018-04-12 04:13:32,597 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1958 GetRequests, 1808 SyntacticMatches, 27 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4823 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1584, Invalid=13916, Unknown=0, NotChecked=0, Total=15500
[2018-04-12 04:13:32,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states.
[2018-04-12 04:13:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 1048.
[2018-04-12 04:13:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states.
[2018-04-12 04:13:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1061 transitions.
[2018-04-12 04:13:32,632 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1061 transitions. Word has length 954
[2018-04-12 04:13:32,633 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:32,633 INFO L459 AbstractCegarLoop]: Abstraction has 1048 states and 1061 transitions.
[2018-04-12 04:13:32,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states.
[2018-04-12 04:13:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1061 transitions.
[2018-04-12 04:13:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964
[2018-04-12 04:13:32,638 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:32,638 INFO L355 BasicCegarLoop]: trace histogram [91, 79, 78, 78, 78, 78, 78, 78, 78, 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]
[2018-04-12 04:13:32,638 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash 786345160, now seen corresponding path program 29 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:32,645 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:32,800 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 30585 backedges. 8340 proven. 630 refuted. 0 times theorem prover too weak. 21615 trivial. 0 not checked.
[2018-04-12 04:13:33,831 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30585 backedges. 8340 proven. 630 refuted. 0 times theorem prover too weak. 21615 trivial. 0 not checked.
[2018-04-12 04:13:35,120 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:35,120 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54] total 79
[2018-04-12 04:13:35,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 79 states
[2018-04-12 04:13:35,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants.
[2018-04-12 04:13:35,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=781, Invalid=5381, Unknown=0, NotChecked=0, Total=6162
[2018-04-12 04:13:35,122 INFO L87 Difference]: Start difference. First operand 1048 states and 1061 transitions. Second operand 79 states.
[2018-04-12 04:13:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:37,181 INFO L93 Difference]: Finished difference Result 1382 states and 1409 transitions.
[2018-04-12 04:13:37,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states.
[2018-04-12 04:13:37,181 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 963
[2018-04-12 04:13:37,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:37,184 INFO L225 Difference]: With dead ends: 1382
[2018-04-12 04:13:37,184 INFO L226 Difference]: Without dead ends: 1180
[2018-04-12 04:13:37,186 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1987 GetRequests, 1821 SyntacticMatches, 27 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5216 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3156, Invalid=16584, Unknown=0, NotChecked=0, Total=19740
[2018-04-12 04:13:37,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states.
[2018-04-12 04:13:37,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1167.
[2018-04-12 04:13:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states.
[2018-04-12 04:13:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1180 transitions.
[2018-04-12 04:13:37,226 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1180 transitions. Word has length 963
[2018-04-12 04:13:37,226 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:37,226 INFO L459 AbstractCegarLoop]: Abstraction has 1167 states and 1180 transitions.
[2018-04-12 04:13:37,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states.
[2018-04-12 04:13:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1180 transitions.
[2018-04-12 04:13:37,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1083
[2018-04-12 04:13:37,232 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:37,233 INFO L355 BasicCegarLoop]: trace histogram [103, 90, 89, 89, 89, 89, 89, 89, 89, 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]
[2018-04-12 04:13:37,233 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:37,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1404777379, now seen corresponding path program 30 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:37,239 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:37,417 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 39528 backedges. 16730 proven. 517 refuted. 0 times theorem prover too weak. 22281 trivial. 0 not checked.
[2018-04-12 04:13:38,545 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 39528 backedges. 16730 proven. 517 refuted. 0 times theorem prover too weak. 22281 trivial. 0 not checked.
[2018-04-12 04:13:39,907 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:39,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 76
[2018-04-12 04:13:39,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 76 states
[2018-04-12 04:13:39,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants.
[2018-04-12 04:13:39,908 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=750, Invalid=4950, Unknown=0, NotChecked=0, Total=5700
[2018-04-12 04:13:39,909 INFO L87 Difference]: Start difference. First operand 1167 states and 1180 transitions. Second operand 76 states.
[2018-04-12 04:13:41,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:41,275 INFO L93 Difference]: Finished difference Result 1387 states and 1413 transitions.
[2018-04-12 04:13:41,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states.
[2018-04-12 04:13:41,275 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 1082
[2018-04-12 04:13:41,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:41,278 INFO L225 Difference]: With dead ends: 1387
[2018-04-12 04:13:41,278 INFO L226 Difference]: Without dead ends: 1179
[2018-04-12 04:13:41,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2224 GetRequests, 2063 SyntacticMatches, 27 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7184 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2992, Invalid=15368, Unknown=0, NotChecked=0, Total=18360
[2018-04-12 04:13:41,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states.
[2018-04-12 04:13:41,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1167.
[2018-04-12 04:13:41,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states.
[2018-04-12 04:13:41,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1178 transitions.
[2018-04-12 04:13:41,320 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1178 transitions. Word has length 1082
[2018-04-12 04:13:41,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:41,320 INFO L459 AbstractCegarLoop]: Abstraction has 1167 states and 1178 transitions.
[2018-04-12 04:13:41,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states.
[2018-04-12 04:13:41,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1178 transitions.
[2018-04-12 04:13:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092
[2018-04-12 04:13:41,326 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:41,327 INFO L355 BasicCegarLoop]: trace histogram [104, 91, 90, 90, 90, 90, 90, 90, 90, 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]
[2018-04-12 04:13:41,327 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:41,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1501247193, now seen corresponding path program 31 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:41,333 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:41,508 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40358 backedges. 9815 proven. 630 refuted. 0 times theorem prover too weak. 29913 trivial. 0 not checked.
[2018-04-12 04:13:42,756 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 40358 backedges. 9815 proven. 630 refuted. 0 times theorem prover too weak. 29913 trivial. 0 not checked.
[2018-04-12 04:13:44,246 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:44,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55] total 80
[2018-04-12 04:13:44,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 81 states
[2018-04-12 04:13:44,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants.
[2018-04-12 04:13:44,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=5958, Unknown=0, NotChecked=0, Total=6480
[2018-04-12 04:13:44,248 INFO L87 Difference]: Start difference. First operand 1167 states and 1178 transitions. Second operand 81 states.
[2018-04-12 04:13:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:47,191 INFO L93 Difference]: Finished difference Result 1183 states and 1194 transitions.
[2018-04-12 04:13:47,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states.
[2018-04-12 04:13:47,191 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 1091
[2018-04-12 04:13:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:47,196 INFO L225 Difference]: With dead ends: 1183
[2018-04-12 04:13:47,196 INFO L226 Difference]: Without dead ends: 1182
[2018-04-12 04:13:47,198 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2236 GetRequests, 2074 SyntacticMatches, 29 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5667 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1819, Invalid=16271, Unknown=0, NotChecked=0, Total=18090
[2018-04-12 04:13:47,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states.
[2018-04-12 04:13:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1167.
[2018-04-12 04:13:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states.
[2018-04-12 04:13:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1177 transitions.
[2018-04-12 04:13:47,262 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1177 transitions. Word has length 1091
[2018-04-12 04:13:47,263 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:47,263 INFO L459 AbstractCegarLoop]: Abstraction has 1167 states and 1177 transitions.
[2018-04-12 04:13:47,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states.
[2018-04-12 04:13:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1177 transitions.
[2018-04-12 04:13:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101
[2018-04-12 04:13:47,273 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:47,274 INFO L355 BasicCegarLoop]: trace histogram [105, 92, 91, 91, 91, 91, 91, 91, 91, 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]
[2018-04-12 04:13:47,274 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:47,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1800519521, now seen corresponding path program 32 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:47,281 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:47,490 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 41197 backedges. 10543 proven. 741 refuted. 0 times theorem prover too weak. 29913 trivial. 0 not checked.
[2018-04-12 04:13:48,945 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 41197 backedges. 10543 proven. 741 refuted. 0 times theorem prover too weak. 29913 trivial. 0 not checked.
[2018-04-12 04:13:50,800 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:50,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58] total 85
[2018-04-12 04:13:50,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 85 states
[2018-04-12 04:13:50,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants.
[2018-04-12 04:13:50,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=6243, Unknown=0, NotChecked=0, Total=7140
[2018-04-12 04:13:50,802 INFO L87 Difference]: Start difference. First operand 1167 states and 1177 transitions. Second operand 85 states.
[2018-04-12 04:13:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:53,528 INFO L93 Difference]: Finished difference Result 1501 states and 1522 transitions.
[2018-04-12 04:13:53,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states.
[2018-04-12 04:13:53,528 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 1100
[2018-04-12 04:13:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:53,531 INFO L225 Difference]: With dead ends: 1501
[2018-04-12 04:13:53,531 INFO L226 Difference]: Without dead ends: 1308
[2018-04-12 04:13:53,533 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2266 GetRequests, 2087 SyntacticMatches, 29 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6106 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3651, Invalid=19301, Unknown=0, NotChecked=0, Total=22952
[2018-04-12 04:13:53,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states.
[2018-04-12 04:13:53,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1295.
[2018-04-12 04:13:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states.
[2018-04-12 04:13:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1305 transitions.
[2018-04-12 04:13:53,578 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1305 transitions. Word has length 1100
[2018-04-12 04:13:53,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:53,579 INFO L459 AbstractCegarLoop]: Abstraction has 1295 states and 1305 transitions.
[2018-04-12 04:13:53,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 85 states.
[2018-04-12 04:13:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1305 transitions.
[2018-04-12 04:13:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1229
[2018-04-12 04:13:53,586 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:53,587 INFO L355 BasicCegarLoop]: trace histogram [118, 104, 103, 103, 103, 103, 103, 103, 103, 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]
[2018-04-12 04:13:53,587 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 733022320, now seen corresponding path program 33 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:53,593 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:53,792 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:55,097 INFO L134 CoverageAnalysis]: Checked inductivity of 52444 backedges. 21133 proven. 618 refuted. 0 times theorem prover too weak. 30693 trivial. 0 not checked.
[2018-04-12 04:13:55,097 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:13:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 52444 backedges. 21133 proven. 618 refuted. 0 times theorem prover too weak. 30693 trivial. 0 not checked.
[2018-04-12 04:13:56,672 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:13:56,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 82
[2018-04-12 04:13:56,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 82 states
[2018-04-12 04:13:56,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants.
[2018-04-12 04:13:56,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=864, Invalid=5778, Unknown=0, NotChecked=0, Total=6642
[2018-04-12 04:13:56,674 INFO L87 Difference]: Start difference. First operand 1295 states and 1305 transitions. Second operand 82 states.
[2018-04-12 04:13:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:13:58,221 INFO L93 Difference]: Finished difference Result 1506 states and 1525 transitions.
[2018-04-12 04:13:58,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states.
[2018-04-12 04:13:58,221 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 1228
[2018-04-12 04:13:58,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:13:58,224 INFO L225 Difference]: With dead ends: 1506
[2018-04-12 04:13:58,224 INFO L226 Difference]: Without dead ends: 1307
[2018-04-12 04:13:58,226 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2521 GetRequests, 2347 SyntacticMatches, 29 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8465 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3481, Invalid=17981, Unknown=0, NotChecked=0, Total=21462
[2018-04-12 04:13:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states.
[2018-04-12 04:13:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1295.
[2018-04-12 04:13:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states.
[2018-04-12 04:13:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1303 transitions.
[2018-04-12 04:13:58,272 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1303 transitions. Word has length 1228
[2018-04-12 04:13:58,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:13:58,273 INFO L459 AbstractCegarLoop]: Abstraction has 1295 states and 1303 transitions.
[2018-04-12 04:13:58,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states.
[2018-04-12 04:13:58,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1303 transitions.
[2018-04-12 04:13:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1238
[2018-04-12 04:13:58,285 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:13:58,286 INFO L355 BasicCegarLoop]: trace histogram [119, 105, 104, 104, 104, 104, 104, 104, 104, 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]
[2018-04-12 04:13:58,286 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:13:58,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1580734696, now seen corresponding path program 34 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:13:58,292 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:13:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:13:58,497 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:13:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 53402 backedges. 12257 proven. 741 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked.
[2018-04-12 04:13:59,965 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 53402 backedges. 12257 proven. 741 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked.
[2018-04-12 04:14:01,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:01,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 59] total 86
[2018-04-12 04:14:01,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 87 states
[2018-04-12 04:14:01,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants.
[2018-04-12 04:14:01,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=6892, Unknown=0, NotChecked=0, Total=7482
[2018-04-12 04:14:01,702 INFO L87 Difference]: Start difference. First operand 1295 states and 1303 transitions. Second operand 87 states.
[2018-04-12 04:14:04,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:04,977 INFO L93 Difference]: Finished difference Result 1311 states and 1318 transitions.
[2018-04-12 04:14:05,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states.
[2018-04-12 04:14:05,007 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 1237
[2018-04-12 04:14:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:05,010 INFO L225 Difference]: With dead ends: 1311
[2018-04-12 04:14:05,010 INFO L226 Difference]: Without dead ends: 1310
[2018-04-12 04:14:05,011 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2532 GetRequests, 2358 SyntacticMatches, 31 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6579 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2070, Invalid=18810, Unknown=0, NotChecked=0, Total=20880
[2018-04-12 04:14:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states.
[2018-04-12 04:14:05,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 1295.
[2018-04-12 04:14:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states.
[2018-04-12 04:14:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1302 transitions.
[2018-04-12 04:14:05,056 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1302 transitions. Word has length 1237
[2018-04-12 04:14:05,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:05,057 INFO L459 AbstractCegarLoop]: Abstraction has 1295 states and 1302 transitions.
[2018-04-12 04:14:05,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states.
[2018-04-12 04:14:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1302 transitions.
[2018-04-12 04:14:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1247
[2018-04-12 04:14:05,068 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:05,068 INFO L355 BasicCegarLoop]: trace histogram [120, 106, 105, 105, 105, 105, 105, 105, 105, 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]
[2018-04-12 04:14:05,068 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:05,068 INFO L82 PathProgramCache]: Analyzing trace with hash 541113906, now seen corresponding path program 35 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:05,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:05,273 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 54369 backedges. 13104 proven. 861 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked.
[2018-04-12 04:14:06,740 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 54369 backedges. 13104 proven. 861 refuted. 0 times theorem prover too weak. 40404 trivial. 0 not checked.
[2018-04-12 04:14:08,369 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:08,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 91
[2018-04-12 04:14:08,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 91 states
[2018-04-12 04:14:08,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants.
[2018-04-12 04:14:08,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1021, Invalid=7169, Unknown=0, NotChecked=0, Total=8190
[2018-04-12 04:14:08,371 INFO L87 Difference]: Start difference. First operand 1295 states and 1302 transitions. Second operand 91 states.
[2018-04-12 04:14:11,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:11,115 INFO L93 Difference]: Finished difference Result 1632 states and 1647 transitions.
[2018-04-12 04:14:11,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states.
[2018-04-12 04:14:11,115 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 1246
[2018-04-12 04:14:11,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:11,118 INFO L225 Difference]: With dead ends: 1632
[2018-04-12 04:14:11,119 INFO L226 Difference]: Without dead ends: 1448
[2018-04-12 04:14:11,121 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2563 GetRequests, 2371 SyntacticMatches, 31 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7066 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4182, Invalid=22224, Unknown=0, NotChecked=0, Total=26406
[2018-04-12 04:14:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states.
[2018-04-12 04:14:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1432.
[2018-04-12 04:14:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states.
[2018-04-12 04:14:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1439 transitions.
[2018-04-12 04:14:11,171 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1439 transitions. Word has length 1246
[2018-04-12 04:14:11,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:11,172 INFO L459 AbstractCegarLoop]: Abstraction has 1432 states and 1439 transitions.
[2018-04-12 04:14:11,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states.
[2018-04-12 04:14:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1439 transitions.
[2018-04-12 04:14:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258
[2018-04-12 04:14:11,180 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:11,180 INFO L355 BasicCegarLoop]: trace histogram [119, 104, 104, 104, 104, 104, 104, 104, 104, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:14:11,180 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:11,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1167181417, now seen corresponding path program 5 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:11,322 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:11,529 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 53454 backedges. 12280 proven. 728 refuted. 0 times theorem prover too weak. 40446 trivial. 0 not checked.
[2018-04-12 04:14:12,961 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 53454 backedges. 12280 proven. 728 refuted. 0 times theorem prover too weak. 40446 trivial. 0 not checked.
[2018-04-12 04:14:14,643 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:14,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60] total 88
[2018-04-12 04:14:14,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 88 states
[2018-04-12 04:14:14,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants.
[2018-04-12 04:14:14,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=986, Invalid=6670, Unknown=0, NotChecked=0, Total=7656
[2018-04-12 04:14:14,645 INFO L87 Difference]: Start difference. First operand 1432 states and 1439 transitions. Second operand 88 states.
[2018-04-12 04:14:16,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:16,484 INFO L93 Difference]: Finished difference Result 1634 states and 1646 transitions.
[2018-04-12 04:14:16,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states.
[2018-04-12 04:14:16,484 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 1257
[2018-04-12 04:14:16,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:16,487 INFO L225 Difference]: With dead ends: 1634
[2018-04-12 04:14:16,487 INFO L226 Difference]: Without dead ends: 1444
[2018-04-12 04:14:16,490 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2584 GetRequests, 2397 SyntacticMatches, 31 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9851 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=4007, Invalid=20799, Unknown=0, NotChecked=0, Total=24806
[2018-04-12 04:14:16,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states.
[2018-04-12 04:14:16,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1432.
[2018-04-12 04:14:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states.
[2018-04-12 04:14:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1437 transitions.
[2018-04-12 04:14:16,540 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1437 transitions. Word has length 1257
[2018-04-12 04:14:16,540 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:16,540 INFO L459 AbstractCegarLoop]: Abstraction has 1432 states and 1437 transitions.
[2018-04-12 04:14:16,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 88 states.
[2018-04-12 04:14:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1437 transitions.
[2018-04-12 04:14:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1267
[2018-04-12 04:14:16,549 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:16,549 INFO L355 BasicCegarLoop]: trace histogram [120, 105, 105, 105, 105, 105, 105, 105, 105, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:14:16,549 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:16,550 INFO L82 PathProgramCache]: Analyzing trace with hash -301145421, now seen corresponding path program 6 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:16,555 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:16,760 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:17,500 INFO L134 CoverageAnalysis]: Checked inductivity of 54420 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:17,500 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 54420 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:18,580 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:18,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64
[2018-04-12 04:14:18,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states
[2018-04-12 04:14:18,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2018-04-12 04:14:18,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1056, Invalid=2976, Unknown=0, NotChecked=0, Total=4032
[2018-04-12 04:14:18,582 INFO L87 Difference]: Start difference. First operand 1432 states and 1437 transitions. Second operand 64 states.
[2018-04-12 04:14:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:20,150 INFO L93 Difference]: Finished difference Result 1628 states and 1665 transitions.
[2018-04-12 04:14:20,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states.
[2018-04-12 04:14:20,150 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 1266
[2018-04-12 04:14:20,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:20,154 INFO L225 Difference]: With dead ends: 1628
[2018-04-12 04:14:20,154 INFO L226 Difference]: Without dead ends: 1606
[2018-04-12 04:14:20,155 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2591 GetRequests, 2469 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3257 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=4867, Invalid=10385, Unknown=0, NotChecked=0, Total=15252
[2018-04-12 04:14:20,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states.
[2018-04-12 04:14:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1573.
[2018-04-12 04:14:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1573 states.
[2018-04-12 04:14:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 1608 transitions.
[2018-04-12 04:14:20,213 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 1608 transitions. Word has length 1266
[2018-04-12 04:14:20,214 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:20,214 INFO L459 AbstractCegarLoop]: Abstraction has 1573 states and 1608 transitions.
[2018-04-12 04:14:20,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states.
[2018-04-12 04:14:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1608 transitions.
[2018-04-12 04:14:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1393
[2018-04-12 04:14:20,229 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:20,229 INFO L355 BasicCegarLoop]: trace histogram [135, 120, 119, 119, 119, 119, 119, 119, 119, 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]
[2018-04-12 04:14:20,230 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:20,230 INFO L82 PathProgramCache]: Analyzing trace with hash 153877187, now seen corresponding path program 36 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:20,237 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:20,466 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 69381 backedges. 15075 proven. 861 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:22,181 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:24,193 INFO L134 CoverageAnalysis]: Checked inductivity of 69381 backedges. 15075 proven. 861 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:24,213 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:24,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63] total 92
[2018-04-12 04:14:24,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 93 states
[2018-04-12 04:14:24,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants.
[2018-04-12 04:14:24,215 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=7894, Unknown=0, NotChecked=0, Total=8556
[2018-04-12 04:14:24,216 INFO L87 Difference]: Start difference. First operand 1573 states and 1608 transitions. Second operand 93 states.
[2018-04-12 04:14:28,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:28,190 INFO L93 Difference]: Finished difference Result 1593 states and 1641 transitions.
[2018-04-12 04:14:28,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states.
[2018-04-12 04:14:28,190 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 1392
[2018-04-12 04:14:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:28,193 INFO L225 Difference]: With dead ends: 1593
[2018-04-12 04:14:28,193 INFO L226 Difference]: Without dead ends: 1592
[2018-04-12 04:14:28,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2846 GetRequests, 2660 SyntacticMatches, 33 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7559 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2337, Invalid=21533, Unknown=0, NotChecked=0, Total=23870
[2018-04-12 04:14:28,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states.
[2018-04-12 04:14:28,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1573.
[2018-04-12 04:14:28,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1573 states.
[2018-04-12 04:14:28,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 1607 transitions.
[2018-04-12 04:14:28,252 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 1607 transitions. Word has length 1392
[2018-04-12 04:14:28,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:28,253 INFO L459 AbstractCegarLoop]: Abstraction has 1573 states and 1607 transitions.
[2018-04-12 04:14:28,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 93 states.
[2018-04-12 04:14:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1607 transitions.
[2018-04-12 04:14:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1397
[2018-04-12 04:14:28,263 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:28,263 INFO L355 BasicCegarLoop]: trace histogram [135, 119, 119, 119, 119, 119, 119, 119, 119, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:14:28,263 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:28,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1207275285, now seen corresponding path program 6 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:28,269 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:28,503 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 69337 backedges. 15000 proven. 847 refuted. 0 times theorem prover too weak. 53490 trivial. 0 not checked.
[2018-04-12 04:14:30,174 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 69337 backedges. 15000 proven. 847 refuted. 0 times theorem prover too weak. 53490 trivial. 0 not checked.
[2018-04-12 04:14:32,131 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:32,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64] total 94
[2018-04-12 04:14:32,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 94 states
[2018-04-12 04:14:32,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants.
[2018-04-12 04:14:32,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1116, Invalid=7626, Unknown=0, NotChecked=0, Total=8742
[2018-04-12 04:14:32,134 INFO L87 Difference]: Start difference. First operand 1573 states and 1607 transitions. Second operand 94 states.
[2018-04-12 04:14:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:34,207 INFO L93 Difference]: Finished difference Result 1908 states and 1989 transitions.
[2018-04-12 04:14:34,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states.
[2018-04-12 04:14:34,207 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 1396
[2018-04-12 04:14:34,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:34,210 INFO L225 Difference]: With dead ends: 1908
[2018-04-12 04:14:34,210 INFO L226 Difference]: Without dead ends: 1589
[2018-04-12 04:14:34,213 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2867 GetRequests, 2667 SyntacticMatches, 33 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11342 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=4570, Invalid=23822, Unknown=0, NotChecked=0, Total=28392
[2018-04-12 04:14:34,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states.
[2018-04-12 04:14:34,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1573.
[2018-04-12 04:14:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1573 states.
[2018-04-12 04:14:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 1606 transitions.
[2018-04-12 04:14:34,270 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 1606 transitions. Word has length 1396
[2018-04-12 04:14:34,271 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:34,271 INFO L459 AbstractCegarLoop]: Abstraction has 1573 states and 1606 transitions.
[2018-04-12 04:14:34,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 94 states.
[2018-04-12 04:14:34,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1606 transitions.
[2018-04-12 04:14:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1402
[2018-04-12 04:14:34,281 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:34,281 INFO L355 BasicCegarLoop]: trace histogram [136, 121, 120, 120, 120, 120, 120, 120, 120, 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]
[2018-04-12 04:14:34,281 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:34,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1645362505, now seen corresponding path program 37 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:34,294 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:34,526 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 70485 backedges. 16050 proven. 990 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:36,243 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 70485 backedges. 16050 proven. 990 refuted. 0 times theorem prover too weak. 53445 trivial. 0 not checked.
[2018-04-12 04:14:38,161 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:38,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 97
[2018-04-12 04:14:38,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 97 states
[2018-04-12 04:14:38,163 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants.
[2018-04-12 04:14:38,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1153, Invalid=8159, Unknown=0, NotChecked=0, Total=9312
[2018-04-12 04:14:38,163 INFO L87 Difference]: Start difference. First operand 1573 states and 1606 transitions. Second operand 97 states.
[2018-04-12 04:14:40,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:40,933 INFO L93 Difference]: Finished difference Result 2046 states and 2111 transitions.
[2018-04-12 04:14:40,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states.
[2018-04-12 04:14:40,933 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 1401
[2018-04-12 04:14:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:40,936 INFO L225 Difference]: With dead ends: 2046
[2018-04-12 04:14:40,937 INFO L226 Difference]: Without dead ends: 1730
[2018-04-12 04:14:40,940 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2878 GetRequests, 2673 SyntacticMatches, 33 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8096 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=4749, Invalid=25353, Unknown=0, NotChecked=0, Total=30102
[2018-04-12 04:14:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states.
[2018-04-12 04:14:41,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1719.
[2018-04-12 04:14:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1719 states.
[2018-04-12 04:14:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 1751 transitions.
[2018-04-12 04:14:41,002 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 1751 transitions. Word has length 1401
[2018-04-12 04:14:41,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:41,003 INFO L459 AbstractCegarLoop]: Abstraction has 1719 states and 1751 transitions.
[2018-04-12 04:14:41,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states.
[2018-04-12 04:14:41,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 1751 transitions.
[2018-04-12 04:14:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406
[2018-04-12 04:14:41,013 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:41,013 INFO L355 BasicCegarLoop]: trace histogram [136, 120, 120, 120, 120, 120, 120, 120, 120, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-04-12 04:14:41,013 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:41,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1779811063, now seen corresponding path program 7 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:41,019 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:41,274 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:41,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:14:41,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:14:41,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:14:41,279 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:14:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 70440 backedges. 0 proven. 1020 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:14:44,891 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 70440 backedges. 0 proven. 1020 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:14:46,833 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:46,833 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 66
[2018-04-12 04:14:46,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states
[2018-04-12 04:14:46,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants.
[2018-04-12 04:14:46,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=3715, Unknown=0, NotChecked=0, Total=4422
[2018-04-12 04:14:46,835 INFO L87 Difference]: Start difference. First operand 1719 states and 1751 transitions. Second operand 67 states.
[2018-04-12 04:14:52,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:14:52,999 INFO L93 Difference]: Finished difference Result 1737 states and 1769 transitions.
[2018-04-12 04:14:53,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2018-04-12 04:14:53,000 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 1405
[2018-04-12 04:14:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:14:53,002 INFO L225 Difference]: With dead ends: 1737
[2018-04-12 04:14:53,002 INFO L226 Difference]: Without dead ends: 1736
[2018-04-12 04:14:53,003 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2870 GetRequests, 2713 SyntacticMatches, 31 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3788 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=3881, Invalid=12375, Unknown=0, NotChecked=0, Total=16256
[2018-04-12 04:14:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states.
[2018-04-12 04:14:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1722.
[2018-04-12 04:14:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states.
[2018-04-12 04:14:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 1740 transitions.
[2018-04-12 04:14:53,070 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 1740 transitions. Word has length 1405
[2018-04-12 04:14:53,070 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:14:53,070 INFO L459 AbstractCegarLoop]: Abstraction has 1722 states and 1740 transitions.
[2018-04-12 04:14:53,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states.
[2018-04-12 04:14:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 1740 transitions.
[2018-04-12 04:14:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1557
[2018-04-12 04:14:53,082 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:14:53,082 INFO L355 BasicCegarLoop]: trace histogram [152, 136, 135, 135, 135, 135, 135, 135, 135, 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]
[2018-04-12 04:14:53,082 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:14:53,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1823892242, now seen corresponding path program 38 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:14:53,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:14:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:14:53,399 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:14:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 88706 backedges. 18296 proven. 990 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:14:55,429 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:14:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 88706 backedges. 18296 proven. 990 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:14:57,781 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:14:57,781 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 98
[2018-04-12 04:14:57,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 99 states
[2018-04-12 04:14:57,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants.
[2018-04-12 04:14:57,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=738, Invalid=8964, Unknown=0, NotChecked=0, Total=9702
[2018-04-12 04:14:57,784 INFO L87 Difference]: Start difference. First operand 1722 states and 1740 transitions. Second operand 99 states.
[2018-04-12 04:15:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:15:02,036 INFO L93 Difference]: Finished difference Result 1752 states and 1785 transitions.
[2018-04-12 04:15:02,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2018-04-12 04:15:02,036 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 1556
[2018-04-12 04:15:02,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:15:02,039 INFO L225 Difference]: With dead ends: 1752
[2018-04-12 04:15:02,039 INFO L226 Difference]: Without dead ends: 1751
[2018-04-12 04:15:02,041 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3179 GetRequests, 2981 SyntacticMatches, 35 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8607 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2620, Invalid=24440, Unknown=0, NotChecked=0, Total=27060
[2018-04-12 04:15:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states.
[2018-04-12 04:15:02,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1730.
[2018-04-12 04:15:02,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1730 states.
[2018-04-12 04:15:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1730 states and 1749 transitions.
[2018-04-12 04:15:02,111 INFO L78 Accepts]: Start accepts. Automaton has 1730 states and 1749 transitions. Word has length 1556
[2018-04-12 04:15:02,112 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:15:02,112 INFO L459 AbstractCegarLoop]: Abstraction has 1730 states and 1749 transitions.
[2018-04-12 04:15:02,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 99 states.
[2018-04-12 04:15:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 1749 transitions.
[2018-04-12 04:15:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1558
[2018-04-12 04:15:02,124 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:15:02,124 INFO L355 BasicCegarLoop]: trace histogram [152, 136, 136, 135, 135, 135, 135, 135, 135, 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]
[2018-04-12 04:15:02,124 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:15:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash 706084887, now seen corresponding path program 4 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:15:02,130 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:15:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:15:02,447 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:15:02,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-04-12 04:15:02,449 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-04-12 04:15:02,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-04-12 04:15:02,458 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-04-12 04:15:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 88841 backedges. 17288 proven. 1005 refuted. 0 times theorem prover too weak. 70548 trivial. 0 not checked.
[2018-04-12 04:15:06,632 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:15:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 88841 backedges. 17288 proven. 1005 refuted. 0 times theorem prover too weak. 70548 trivial. 0 not checked.
[2018-04-12 04:15:09,371 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:15:09,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35] total 70
[2018-04-12 04:15:09,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states
[2018-04-12 04:15:09,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants.
[2018-04-12 04:15:09,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=719, Invalid=4251, Unknown=0, NotChecked=0, Total=4970
[2018-04-12 04:15:09,374 INFO L87 Difference]: Start difference. First operand 1730 states and 1749 transitions. Second operand 71 states.
[2018-04-12 04:15:12,299 WARN L151 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 126 DAG size of output 29
[2018-04-12 04:15:12,538 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 122 DAG size of output 28
[2018-04-12 04:15:17,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:15:17,106 INFO L93 Difference]: Finished difference Result 1933 states and 2222 transitions.
[2018-04-12 04:15:17,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states.
[2018-04-12 04:15:17,106 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 1557
[2018-04-12 04:15:17,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:15:17,111 INFO L225 Difference]: With dead ends: 1933
[2018-04-12 04:15:17,111 INFO L226 Difference]: Without dead ends: 1932
[2018-04-12 04:15:17,113 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3192 GetRequests, 3029 SyntacticMatches, 31 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3431 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=4094, Invalid=13728, Unknown=0, NotChecked=0, Total=17822
[2018-04-12 04:15:17,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states.
[2018-04-12 04:15:17,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1866.
[2018-04-12 04:15:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1866 states.
[2018-04-12 04:15:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1866 states and 1915 transitions.
[2018-04-12 04:15:17,200 INFO L78 Accepts]: Start accepts. Automaton has 1866 states and 1915 transitions. Word has length 1557
[2018-04-12 04:15:17,201 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:15:17,201 INFO L459 AbstractCegarLoop]: Abstraction has 1866 states and 1915 transitions.
[2018-04-12 04:15:17,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states.
[2018-04-12 04:15:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 1915 transitions.
[2018-04-12 04:15:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1566
[2018-04-12 04:15:17,213 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:15:17,213 INFO L355 BasicCegarLoop]: trace histogram [153, 137, 136, 136, 136, 136, 136, 136, 136, 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]
[2018-04-12 04:15:17,213 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:15:17,214 INFO L82 PathProgramCache]: Analyzing trace with hash -834518200, now seen corresponding path program 39 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:15:17,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:15:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:15:17,516 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:15:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 89956 backedges. 19408 proven. 1128 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:15:19,578 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:15:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 89956 backedges. 19408 proven. 1128 refuted. 0 times theorem prover too weak. 69420 trivial. 0 not checked.
[2018-04-12 04:15:21,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:15:21,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70] total 103
[2018-04-12 04:15:21,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 103 states
[2018-04-12 04:15:21,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants.
[2018-04-12 04:15:21,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1293, Invalid=9213, Unknown=0, NotChecked=0, Total=10506
[2018-04-12 04:15:21,747 INFO L87 Difference]: Start difference. First operand 1866 states and 1915 transitions. Second operand 103 states.
[2018-04-12 04:15:25,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:15:25,126 INFO L93 Difference]: Finished difference Result 2488 states and 2587 transitions.
[2018-04-12 04:15:25,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states.
[2018-04-12 04:15:25,126 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 1565
[2018-04-12 04:15:25,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:15:25,132 INFO L225 Difference]: With dead ends: 2488
[2018-04-12 04:15:25,132 INFO L226 Difference]: Without dead ends: 2034
[2018-04-12 04:15:25,137 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3211 GetRequests, 2993 SyntacticMatches, 35 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9196 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=5352, Invalid=28688, Unknown=0, NotChecked=0, Total=34040
[2018-04-12 04:15:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states.
[2018-04-12 04:15:25,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2021.
[2018-04-12 04:15:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states.
[2018-04-12 04:15:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2070 transitions.
[2018-04-12 04:15:25,218 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2070 transitions. Word has length 1565
[2018-04-12 04:15:25,218 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:15:25,218 INFO L459 AbstractCegarLoop]: Abstraction has 2021 states and 2070 transitions.
[2018-04-12 04:15:25,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 103 states.
[2018-04-12 04:15:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2070 transitions.
[2018-04-12 04:15:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1721
[2018-04-12 04:15:25,232 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:15:25,233 INFO L355 BasicCegarLoop]: trace histogram [169, 152, 151, 151, 151, 151, 151, 151, 151, 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]
[2018-04-12 04:15:25,233 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:15:25,233 INFO L82 PathProgramCache]: Analyzing trace with hash 861561379, now seen corresponding path program 40 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:15:25,243 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:15:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:15:25,560 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-04-12 04:15:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 110419 backedges. 38848 proven. 975 refuted. 0 times theorem prover too weak. 70596 trivial. 0 not checked.
[2018-04-12 04:15:27,652 INFO L314 TraceCheckSpWp]: Computing backward predicates...
[2018-04-12 04:15:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110419 backedges. 38848 proven. 975 refuted. 0 times theorem prover too weak. 70596 trivial. 0 not checked.
[2018-04-12 04:15:30,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-04-12 04:15:30,107 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 100
[2018-04-12 04:15:30,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 100 states
[2018-04-12 04:15:30,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants.
[2018-04-12 04:15:30,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1254, Invalid=8646, Unknown=0, NotChecked=0, Total=9900
[2018-04-12 04:15:30,109 INFO L87 Difference]: Start difference. First operand 2021 states and 2070 transitions. Second operand 100 states.
[2018-04-12 04:15:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-04-12 04:15:32,237 INFO L93 Difference]: Finished difference Result 2493 states and 2603 transitions.
[2018-04-12 04:15:32,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2018-04-12 04:15:32,238 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 1720
[2018-04-12 04:15:32,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-04-12 04:15:32,242 INFO L225 Difference]: With dead ends: 2493
[2018-04-12 04:15:32,243 INFO L226 Difference]: Without dead ends: 2033
[2018-04-12 04:15:32,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3520 GetRequests, 3307 SyntacticMatches, 35 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12938 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=5170, Invalid=27050, Unknown=0, NotChecked=0, Total=32220
[2018-04-12 04:15:32,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states.
[2018-04-12 04:15:32,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 2021.
[2018-04-12 04:15:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2021 states.
[2018-04-12 04:15:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 2021 states and 2068 transitions.
[2018-04-12 04:15:32,326 INFO L78 Accepts]: Start accepts. Automaton has 2021 states and 2068 transitions. Word has length 1720
[2018-04-12 04:15:32,327 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-04-12 04:15:32,327 INFO L459 AbstractCegarLoop]: Abstraction has 2021 states and 2068 transitions.
[2018-04-12 04:15:32,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states.
[2018-04-12 04:15:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2068 transitions.
[2018-04-12 04:15:32,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1730
[2018-04-12 04:15:32,341 INFO L347 BasicCegarLoop]: Found error trace
[2018-04-12 04:15:32,341 INFO L355 BasicCegarLoop]: trace histogram [170, 153, 152, 152, 152, 152, 152, 152, 152, 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]
[2018-04-12 04:15:32,341 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength_true_valid_memsafety_c__fooErr0AssertViolationARRAY_INDEX]===
[2018-04-12 04:15:32,342 INFO L82 PathProgramCache]: Analyzing trace with hash 257130329, now seen corresponding path program 41 times
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-04-12 04:15:32,347 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy
[2018-04-12 04:15:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-04-12 04:15:32,633 INFO L270 TraceCheckSpWp]: Computing forward predicates...
Received shutdown request...
[2018-04-12 04:15:33,534 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants
[2018-04-12 04:15:33,535 WARN L519 AbstractCegarLoop]: Verification canceled
[2018-04-12 04:15:33,538 WARN L197 ceAbstractionStarter]: Timeout
[2018-04-12 04:15:33,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 04:15:33 BasicIcfg
[2018-04-12 04:15:33,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-04-12 04:15:33,539 INFO L168 Benchmark]: Toolchain (without parser) took 211987.70 ms. Allocated memory was 305.7 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 248.2 MB in the beginning and 461.4 MB in the end (delta: -213.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,540 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.61 ms. Allocated memory is still 305.7 MB. Free memory was 248.2 MB in the beginning and 238.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,540 INFO L168 Benchmark]: Boogie Preprocessor took 28.06 ms. Allocated memory is still 305.7 MB. Free memory was 238.2 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,540 INFO L168 Benchmark]: RCFGBuilder took 368.35 ms. Allocated memory was 305.7 MB in the beginning and 440.9 MB in the end (delta: 135.3 MB). Free memory was 236.3 MB in the beginning and 407.5 MB in the end (delta: -171.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,541 INFO L168 Benchmark]: IcfgTransformer took 10403.01 ms. Allocated memory was 440.9 MB in the beginning and 720.4 MB in the end (delta: 279.4 MB). Free memory was 407.5 MB in the beginning and 567.6 MB in the end (delta: -160.0 MB). Peak memory consumption was 119.4 MB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,541 INFO L168 Benchmark]: TraceAbstraction took 200966.18 ms. Allocated memory was 720.4 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 567.6 MB in the beginning and 461.4 MB in the end (delta: 106.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB.
[2018-04-12 04:15:33,543 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11 ms. Allocated memory is still 305.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 216.61 ms. Allocated memory is still 305.7 MB. Free memory was 248.2 MB in the beginning and 238.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 28.06 ms. Allocated memory is still 305.7 MB. Free memory was 238.2 MB in the beginning and 236.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 368.35 ms. Allocated memory was 305.7 MB in the beginning and 440.9 MB in the end (delta: 135.3 MB). Free memory was 236.3 MB in the beginning and 407.5 MB in the end (delta: -171.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 5.3 GB.
* IcfgTransformer took 10403.01 ms. Allocated memory was 440.9 MB in the beginning and 720.4 MB in the end (delta: 279.4 MB). Free memory was 407.5 MB in the beginning and 567.6 MB in the end (delta: -160.0 MB). Peak memory consumption was 119.4 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 200966.18 ms. Allocated memory was 720.4 MB in the beginning and 2.3 GB in the end (delta: 1.6 GB). Free memory was 567.6 MB in the beginning and 461.4 MB in the end (delta: 106.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- StatisticsResult: ArrayEqualityDomainStatistics
#Locations : 61
LocStat_MAX_WEQGRAPH_SIZE : 2
LocStat_MAX_SIZEOF_WEQEDGELABEL : 1
LocStat_NO_SUPPORTING_EQUALITIES : 568
LocStat_NO_SUPPORTING_DISEQUALITIES : 207
LocStat_NO_DISJUNCTIONS : -122
LocStat_MAX_NO_DISJUNCTIONS : -1
#Transitions : 77
TransStat_MAX_WEQGRAPH_SIZE : 4
TransStat_MAX_SIZEOF_WEQEDGELABEL : 1
TransStat_NO_SUPPORTING_EQUALITIES : 71
TransStat_NO_SUPPORTING_DISEQUALITIES : 9
TransStat_NO_DISJUNCTIONS : 78
TransStat_MAX_NO_DISJUNCTIONS : 2
- StatisticsResult: EqConstraintFactoryStatistics
CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1991.60
RENAME_VARIABLES(MILLISECONDS) : 246.72
UNFREEZE(MILLISECONDS) : 0.00
CONJOIN(MILLISECONDS) : 1990.69
PROJECTAWAY(MILLISECONDS) : 3509.48
ADD_WEAK_EQUALITY(MILLISECONDS) : 7.51
DISJOIN(MILLISECONDS) : 142.37
RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 266.60
ADD_EQUALITY(MILLISECONDS) : 8.90
DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00
ADD_DISEQUALITY(MILLISECONDS) : 0.27
#CONJOIN_DISJUNCTIVE : 395
#RENAME_VARIABLES : 834
#UNFREEZE : 0
#CONJOIN : 503
#PROJECTAWAY : 515
#ADD_WEAK_EQUALITY : 10
#DISJOIN : 126
#RENAME_VARIABLES_DISJUNCTIVE : 824
#ADD_EQUALITY : 72
#DISJOIN_DISJUNCTIVE : 0
#ADD_DISEQUALITY : 6
- StatisticsResult: WeqCcManagerStatistics
FREEZE(MILLISECONDS) : 5860.70
ADDNODE(MILLISECONDS) : 0.00
MEET(MILLISECONDS) : 1982.21
FILTERREDUNDANT(MILLISECONDS) : 0.00
REPORTWEQ(MILLISECONDS) : 7.33
JOIN(MILLISECONDS) : 134.57
RENAMEVARS(MILLISECONDS) : 236.83
FLATTENLABELS(MILLISECONDS) : 0.00
COPY(MILLISECONDS) : 0.00
ISSTRONGERTHAN(MILLISECONDS) : 3594.57
ISLABELSTRONGERTHAN(MILLISECONDS) : 590.17
ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 75.06
UNFREEZE(MILLISECONDS) : 78.35
REPORTCONTAINS(MILLISECONDS) : 0.49
PROJECTAWAY(MILLISECONDS) : 3366.68
MEETEDGELABELS(MILLISECONDS) : 207.99
REPORTEQUALITY(MILLISECONDS) : 251.95
ADDALLNODES(MILLISECONDS) : 293.34
REPORTDISEQUALITY(MILLISECONDS) : 3.56
WEQGRAPHJOIN(MILLISECONDS) : 49.05
#FREEZE : 3075
#ADDNODE : 0
#MEET : 334
#FILTERREDUNDANT : 0
#REPORTWEQ : 10
#JOIN : 126
#RENAMEVARS : 834
#FLATTENLABELS : 0
#COPY : 0
#ISSTRONGERTHAN : 837
#ISLABELSTRONGERTHAN : 38706
#ISWEQGRAPHSTRONGERTHAN : 407
#UNFREEZE : 2081
#REPORTCONTAINS : 21
#PROJECTAWAY : 913
#MEETEDGELABELS : 1570
#REPORTEQUALITY : 3240
#ADDALLNODES : 334
#REPORTDISEQUALITY : 886
#WEQGRAPHJOIN : 126
- StatisticsResult: CcManagerStatistics
ADDNODE(MILLISECONDS) : 0.00
MEET(MILLISECONDS) : 2627.52
REPORT_EQUALITY(MILLISECONDS) : 945.92
FILTERREDUNDANT(MILLISECONDS) : 2152.85
ADD_ALL_ELEMENTS(MILLISECONDS) : 386.69
JOIN(MILLISECONDS) : 64.33
ALIGN_ELEMENTS(MILLISECONDS) : 247.07
COPY(MILLISECONDS) : 0.00
REPORT_DISEQUALITY(MILLISECONDS) : 159.07
UNFREEZE(MILLISECONDS) : 0.00
OVERALL(MILLISECONDS) : 4176.40
REPORTCONTAINS(MILLISECONDS) : 13.43
IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 668.15
REMOVE(MILLISECONDS) : 0.00
IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00
PROJECT_TO_ELEMENTS(MILLISECONDS) : 723.25
#ADDNODE : 0
#MEET : 8743
#REPORT_EQUALITY : 78262
#FILTERREDUNDANT : 89076
#ADD_ALL_ELEMENTS : 14926
#JOIN : 126
#ALIGN_ELEMENTS : 2726
#COPY : 0
#REPORT_DISEQUALITY : 25707
#UNFREEZE : 0
#OVERALL : 315681
#REPORTCONTAINS : 704
#IS_STRONGER_THAN_NO_CACHING : 86718
#REMOVE : 0
#IS_STRONGER_THAN_W_CACHING : 0
#PROJECT_TO_ELEMENTS : 8693
* 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] : 3
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- TimeoutResultAtElement [Line: 26]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 26). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 26]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 26). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction)
Unable to prove that all allocated memory was freed (line 20). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 15). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line 15). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction)
Unable to prove that array index is always in bounds (line 15). Cancelled while BasicCegarLoop was analyzing trace of length 1730 with TraceHistMax 170, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 61 known predicates.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 64 locations, 8 error locations. TIMEOUT Result, 200.9s OverallTime, 68 OverallIterations, 170 TraceHistogramMax, 91.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6241 SDtfs, 37414 SDslu, 106638 SDs, 0 SdLazy, 96649 SolverSat, 8914 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78785 GetRequests, 72426 SyntacticMatches, 1079 SemanticMatches, 5280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192381 ImplicationChecksByTransitivity, 100.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2021occurred in iteration=66, 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: 1.9s AutomataMinimizationTime, 67 MinimizatonAttempts, 1037 StatesRemovedByMinimization, 64 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.2s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 96.5s InterpolantComputationTime, 38241 NumberOfCodeBlocks, 38241 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 76348 ConstructedInterpolants, 3495 QuantifiedInterpolants, 177106344 SizeOfPredicates, 1865 NumberOfNonLiveVariables, 74081 ConjunctsInSsa, 2448 ConjunctsInUnsatCore, 134 InterpolantComputations, 18 PerfectInterpolantSequences, 2625970/2667924 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/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-12_04-15-33-557.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_04-15-33-557.csv
Completed graceful shutdown