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_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.23-d4a2356
[2018-03-23 12:19:34,642 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-03-23 12:19:34,644 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-03-23 12:19:34,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-03-23 12:19:34,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-03-23 12:19:34,658 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-03-23 12:19:34,659 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-03-23 12:19:34,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-03-23 12:19:34,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-03-23 12:19:34,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-03-23 12:19:34,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-03-23 12:19:34,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-03-23 12:19:34,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-03-23 12:19:34,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-03-23 12:19:34,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-03-23 12:19:34,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-03-23 12:19:34,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-03-23 12:19:34,675 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-03-23 12:19:34,676 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-03-23 12:19:34,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-03-23 12:19:34,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-03-23 12:19:34,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-03-23 12:19:34,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-03-23 12:19:34,682 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-03-23 12:19:34,683 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-03-23 12:19:34,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-03-23 12:19:34,684 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-03-23 12:19:34,685 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-03-23 12:19:34,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-03-23 12:19:34,686 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-03-23 12:19:34,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-03-23 12:19:34,687 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf
[2018-03-23 12:19:34,698 INFO L110 SettingsManager]: Loading preferences was successful
[2018-03-23 12:19:34,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-03-23 12:19:34,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-03-23 12:19:34,699 INFO L133 SettingsManager]: * to procedures, called more than once=true
[2018-03-23 12:19:34,700 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2018-03-23 12:19:34,700 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain
[2018-03-23 12:19:34,700 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2018-03-23 12:19:34,701 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-03-23 12:19:34,701 INFO L133 SettingsManager]: * sizeof long=4
[2018-03-23 12:19:34,701 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-03-23 12:19:34,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-03-23 12:19:34,701 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-03-23 12:19:34,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-03-23 12:19:34,702 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-03-23 12:19:34,702 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-03-23 12:19:34,702 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-03-23 12:19:34,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-03-23 12:19:34,703 INFO L133 SettingsManager]: * sizeof long double=12
[2018-03-23 12:19:34,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-03-23 12:19:34,703 INFO L133 SettingsManager]: * Size of a code block=SingleStatement
[2018-03-23 12:19:34,703 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-03-23 12:19:34,703 INFO L133 SettingsManager]: * Add additional assume for each assert=false
[2018-03-23 12:19:34,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-03-23 12:19:34,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-03-23 12:19:34,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-03-23 12:19:34,704 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-03-23 12:19:34,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-03-23 12:19:34,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-03-23 12:19:34,705 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-03-23 12:19:34,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-03-23 12:19:34,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-03-23 12:19:34,705 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-03-23 12:19:34,706 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2018-03-23 12:19:34,706 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR
[2018-03-23 12:19:34,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-03-23 12:19:34,748 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized
[2018-03-23 12:19:34,753 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-03-23 12:19:34,754 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-03-23 12:19:34,755 INFO L276 PluginConnector]: CDTParser initialized
[2018-03-23 12:19:34,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c
[2018-03-23 12:19:35,024 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG74c78d73a
[2018-03-23 12:19:35,134 INFO L291 CDTParser]: IsIndexed: true
[2018-03-23 12:19:35,135 INFO L292 CDTParser]: Found 1 translation units.
[2018-03-23 12:19:35,135 INFO L171 CDTParser]: Scanning ArraysOfVariableLength4_true-valid-memsafety_true-termination.c
[2018-03-23 12:19:35,136 INFO L210 ultiparseSymbolTable]: Include resolver:
[2018-03-23 12:19:35,137 INFO L215 ultiparseSymbolTable]: <empty include resolver>
[2018-03-23 12:19:35,137 INFO L218 ultiparseSymbolTable]: Function table:
[2018-03-23 12:19:35,137 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo ('foo') in ArraysOfVariableLength4_true-valid-memsafety_true-termination.c
[2018-03-23 12:19:35,137 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength4_true-valid-memsafety_true-termination.c
[2018-03-23 12:19:35,137 INFO L227 ultiparseSymbolTable]: Global variable table:
[2018-03-23 12:19:35,137 INFO L233 ultiparseSymbolTable]: <empty global variable table>
[2018-03-23 12:19:35,152 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG74c78d73a
[2018-03-23 12:19:35,157 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-03-23 12:19:35,159 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2018-03-23 12:19:35,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-03-23 12:19:35,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-03-23 12:19:35,168 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-03-23 12:19:35,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252666f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35, skipping insertion in model container
[2018-03-23 12:19:35,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,189 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-03-23 12:19:35,203 INFO L167 Dispatcher]: Using SV-COMP mode
[2018-03-23 12:19:35,344 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-03-23 12:19:35,370 INFO L175 PostProcessor]: Settings: Checked method=main
[2018-03-23 12:19:35,374 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9.
[2018-03-23 12:19:35,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35 WrapperNode
[2018-03-23 12:19:35,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-03-23 12:19:35,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-03-23 12:19:35,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-03-23 12:19:35,382 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-03-23 12:19:35,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-03-23 12:19:35,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-03-23 12:19:35,420 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-03-23 12:19:35,420 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-03-23 12:19:35,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (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
[2018-03-23 12:19:35,485 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-03-23 12:19:35,485 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-03-23 12:19:35,485 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo
[2018-03-23 12:19:35,485 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-03-23 12:19:35,485 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-03-23 12:19:35,486 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2018-03-23 12:19:35,487 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-03-23 12:19:35,778 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-03-23 12:19:35,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:35 BoogieIcfgContainer
[2018-03-23 12:19:35,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-03-23 12:19:35,779 INFO L113 PluginConnector]: ------------------------IcfgTransformer----------------------------
[2018-03-23 12:19:35,779 INFO L271 PluginConnector]: Initializing IcfgTransformer...
[2018-03-23 12:19:35,780 INFO L276 PluginConnector]: IcfgTransformer initialized
[2018-03-23 12:19:35,783 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:35" (1/1) ...
[2018-03-23 12:19:35,791 INFO L112 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning
[2018-03-23 12:19:35,791 INFO L113 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int]
[2018-03-23 12:19:35,805 INFO L255 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing
[2018-03-23 12:19:35,819 INFO L271 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 0 location literals (each corresponds to one heap write)
[2018-03-23 12:19:35,828 INFO L322 apSepIcfgTransformer]: finished preprocessing for the equality analysis
[2018-03-23 12:19:35,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2)
[2018-03-23 12:19:38,792 INFO L314 AbstractInterpreter]: Visited 71 different actions 339 times. Merged at 46 different actions 163 times. Never widened. Found 30 fixpoints after 11 different actions. Largest state had 21 variables.
[2018-03-23 12:19:38,794 INFO L334 apSepIcfgTransformer]: finished equality analysis
[2018-03-23 12:19:38,802 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 1
[2018-03-23 12:19:38,802 INFO L344 apSepIcfgTransformer]: Finished pre analysis before partitioning
[2018-03-23 12:19:38,802 INFO L345 apSepIcfgTransformer]: array groups: Set:
[#memory_int]
[2018-03-23 12:19:38,803 INFO L347 apSepIcfgTransformer]: select infos: Set:
((select (select |v_#memory_int_1| v___U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base_2) (+ v___U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0_6 v___U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.offset_2)), at (SUMMARY for call #t~mem1 := read~int(~b.base, ~b.offset + ~i~0 * 1, 1); srcloc: L16'))
[2018-03-23 12:19:38,806 INFO L311 HeapPartitionManager]: partitioning result:
[2018-03-23 12:19:38,806 INFO L316 HeapPartitionManager]: location blocks for array group [#memory_int]
[2018-03-23 12:19:38,806 INFO L325 HeapPartitionManager]: at dimension 0
[2018-03-23 12:19:38,807 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-03-23 12:19:38,807 INFO L327 HeapPartitionManager]: # location blocks :1
[2018-03-23 12:19:38,807 INFO L325 HeapPartitionManager]: at dimension 1
[2018-03-23 12:19:38,807 INFO L326 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 1
[2018-03-23 12:19:38,807 INFO L327 HeapPartitionManager]: # location blocks :1
[2018-03-23 12:19:38,808 INFO L86 ransitionTransformer]: executing heap partitioning transformation
[2018-03-23 12:19:38,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:19:38 BasicIcfg
[2018-03-23 12:19:38,824 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2018-03-23 12:19:38,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-03-23 12:19:38,825 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-03-23 12:19:38,828 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-03-23 12:19:38,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 12:19:35" (1/4) ...
[2018-03-23 12:19:38,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79987527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:19:38, skipping insertion in model container
[2018-03-23 12:19:38,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 12:19:35" (2/4) ...
[2018-03-23 12:19:38,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79987527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 12:19:38, skipping insertion in model container
[2018-03-23 12:19:38,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 12:19:35" (3/4) ...
[2018-03-23 12:19:38,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79987527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:19:38, skipping insertion in model container
[2018-03-23 12:19:38,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.03 12:19:38" (4/4) ...
[2018-03-23 12:19:38,832 INFO L107 eAbstractionObserver]: Analyzing ICFG HeapSeparatedIcfg
[2018-03-23 12:19:38,840 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-03-23 12:19:38,848 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations.
[2018-03-23 12:19:38,882 INFO L128 ementStrategyFactory]: Using default assertion order modulation
[2018-03-23 12:19:38,883 INFO L369 AbstractCegarLoop]: Interprodecural is true
[2018-03-23 12:19:38,883 INFO L370 AbstractCegarLoop]: Hoare is true
[2018-03-23 12:19:38,883 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-03-23 12:19:38,883 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-03-23 12:19:38,883 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-03-23 12:19:38,883 INFO L374 AbstractCegarLoop]: Difference is false
[2018-03-23 12:19:38,883 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-03-23 12:19:38,883 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-03-23 12:19:38,884 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-03-23 12:19:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states.
[2018-03-23 12:19:38,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2018-03-23 12:19:38,902 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:38,903 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:38,903 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash -447742605, now seen corresponding path program 1 times
[2018-03-23 12:19:38,908 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:38,909 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:38,951 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:38,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:38,952 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:38,998 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:39,070 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-03-23 12:19:39,070 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-03-23 12:19:39,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-03-23 12:19:39,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-03-23 12:19:39,081 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-03-23 12:19:39,083 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 3 states.
[2018-03-23 12:19:39,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:39,190 INFO L93 Difference]: Finished difference Result 134 states and 161 transitions.
[2018-03-23 12:19:39,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-03-23 12:19:39,192 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2018-03-23 12:19:39,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:39,204 INFO L225 Difference]: With dead ends: 134
[2018-03-23 12:19:39,205 INFO L226 Difference]: Without dead ends: 79
[2018-03-23 12:19:39,209 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-03-23 12:19:39,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2018-03-23 12:19:39,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 65.
[2018-03-23 12:19:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states.
[2018-03-23 12:19:39,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions.
[2018-03-23 12:19:39,253 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 10
[2018-03-23 12:19:39,253 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:39,253 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions.
[2018-03-23 12:19:39,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-03-23 12:19:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions.
[2018-03-23 12:19:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-03-23 12:19:39,254 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:39,254 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:39,254 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:39,255 INFO L82 PathProgramCache]: Analyzing trace with hash -163205672, now seen corresponding path program 1 times
[2018-03-23 12:19:39,255 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:39,255 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:39,256 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:39,256 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:39,273 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:39,428 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-03-23 12:19:39,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-03-23 12:19:39,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-03-23 12:19:39,430 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-03-23 12:19:39,430 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-03-23 12:19:39,431 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 6 states.
[2018-03-23 12:19:39,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:39,611 INFO L93 Difference]: Finished difference Result 126 states and 138 transitions.
[2018-03-23 12:19:39,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-03-23 12:19:39,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2018-03-23 12:19:39,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:39,613 INFO L225 Difference]: With dead ends: 126
[2018-03-23 12:19:39,613 INFO L226 Difference]: Without dead ends: 75
[2018-03-23 12:19:39,615 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2018-03-23 12:19:39,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2018-03-23 12:19:39,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 68.
[2018-03-23 12:19:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2018-03-23 12:19:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions.
[2018-03-23 12:19:39,624 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 19
[2018-03-23 12:19:39,624 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:39,624 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions.
[2018-03-23 12:19:39,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-03-23 12:19:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions.
[2018-03-23 12:19:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-03-23 12:19:39,626 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:39,626 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:39,626 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:39,627 INFO L82 PathProgramCache]: Analyzing trace with hash -764408067, now seen corresponding path program 1 times
[2018-03-23 12:19:39,627 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:39,627 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:39,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:39,629 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:39,639 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:39,682 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-03-23 12:19:39,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-03-23 12:19:39,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-03-23 12:19:39,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-03-23 12:19:39,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-03-23 12:19:39,684 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 5 states.
[2018-03-23 12:19:39,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:39,740 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions.
[2018-03-23 12:19:39,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-03-23 12:19:39,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20
[2018-03-23 12:19:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:39,742 INFO L225 Difference]: With dead ends: 68
[2018-03-23 12:19:39,742 INFO L226 Difference]: Without dead ends: 67
[2018-03-23 12:19:39,742 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-03-23 12:19:39,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2018-03-23 12:19:39,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2018-03-23 12:19:39,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states.
[2018-03-23 12:19:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions.
[2018-03-23 12:19:39,750 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 20
[2018-03-23 12:19:39,750 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:39,750 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions.
[2018-03-23 12:19:39,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-03-23 12:19:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions.
[2018-03-23 12:19:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-03-23 12:19:39,752 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:39,752 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:39,752 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:39,752 INFO L82 PathProgramCache]: Analyzing trace with hash -764408065, now seen corresponding path program 1 times
[2018-03-23 12:19:39,753 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:39,753 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:39,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:39,754 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:39,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:39,871 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-03-23 12:19:39,871 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-03-23 12:19:39,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-03-23 12:19:39,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-03-23 12:19:39,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2018-03-23 12:19:39,872 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 6 states.
[2018-03-23 12:19:40,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:40,017 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions.
[2018-03-23 12:19:40,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-03-23 12:19:40,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20
[2018-03-23 12:19:40,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:40,019 INFO L225 Difference]: With dead ends: 73
[2018-03-23 12:19:40,019 INFO L226 Difference]: Without dead ends: 72
[2018-03-23 12:19:40,019 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2018-03-23 12:19:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2018-03-23 12:19:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68.
[2018-03-23 12:19:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2018-03-23 12:19:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions.
[2018-03-23 12:19:40,027 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 20
[2018-03-23 12:19:40,028 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:40,028 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions.
[2018-03-23 12:19:40,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-03-23 12:19:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions.
[2018-03-23 12:19:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-03-23 12:19:40,028 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:40,029 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:40,029 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:40,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2076348503, now seen corresponding path program 1 times
[2018-03-23 12:19:40,029 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:40,029 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:40,030 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,030 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,036 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:40,078 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:40,078 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:40,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,124 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:40,214 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-03-23 12:19:40,214 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2018-03-23 12:19:40,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-03-23 12:19:40,215 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-03-23 12:19:40,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2018-03-23 12:19:40,216 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 8 states.
[2018-03-23 12:19:40,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:40,438 INFO L93 Difference]: Finished difference Result 107 states and 115 transitions.
[2018-03-23 12:19:40,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-03-23 12:19:40,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20
[2018-03-23 12:19:40,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:40,440 INFO L225 Difference]: With dead ends: 107
[2018-03-23 12:19:40,440 INFO L226 Difference]: Without dead ends: 86
[2018-03-23 12:19:40,441 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132
[2018-03-23 12:19:40,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2018-03-23 12:19:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 76.
[2018-03-23 12:19:40,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2018-03-23 12:19:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions.
[2018-03-23 12:19:40,450 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 20
[2018-03-23 12:19:40,450 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:40,450 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions.
[2018-03-23 12:19:40,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-03-23 12:19:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions.
[2018-03-23 12:19:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2018-03-23 12:19:40,452 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:40,452 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:40,452 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:40,452 INFO L82 PathProgramCache]: Analyzing trace with hash 2037339621, now seen corresponding path program 1 times
[2018-03-23 12:19:40,452 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:40,452 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:40,453 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,453 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,464 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:40,518 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:40,518 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:40,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,557 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:40,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:40,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2018-03-23 12:19:40,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-03-23 12:19:40,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-03-23 12:19:40,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-03-23 12:19:40,608 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand 5 states.
[2018-03-23 12:19:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:40,708 INFO L93 Difference]: Finished difference Result 94 states and 103 transitions.
[2018-03-23 12:19:40,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-03-23 12:19:40,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28
[2018-03-23 12:19:40,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:40,711 INFO L225 Difference]: With dead ends: 94
[2018-03-23 12:19:40,711 INFO L226 Difference]: Without dead ends: 93
[2018-03-23 12:19:40,711 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2018-03-23 12:19:40,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2018-03-23 12:19:40,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 84.
[2018-03-23 12:19:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2018-03-23 12:19:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions.
[2018-03-23 12:19:40,722 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 28
[2018-03-23 12:19:40,723 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:40,723 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions.
[2018-03-23 12:19:40,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-03-23 12:19:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions.
[2018-03-23 12:19:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-03-23 12:19:40,724 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:40,724 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:40,724 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:40,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1266980718, now seen corresponding path program 1 times
[2018-03-23 12:19:40,725 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:40,725 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:40,726 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,726 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,737 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:40,944 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:40,944 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:40,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:40,966 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:40,993 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
[2018-03-23 12:19:40,993 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:40,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:40,997 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-03-23 12:19:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:41,058 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:41,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2018-03-23 12:19:41,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-03-23 12:19:41,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-03-23 12:19:41,059 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2018-03-23 12:19:41,059 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 8 states.
[2018-03-23 12:19:41,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:41,199 INFO L93 Difference]: Finished difference Result 93 states and 102 transitions.
[2018-03-23 12:19:41,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-03-23 12:19:41,199 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29
[2018-03-23 12:19:41,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:41,200 INFO L225 Difference]: With dead ends: 93
[2018-03-23 12:19:41,200 INFO L226 Difference]: Without dead ends: 92
[2018-03-23 12:19:41,201 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2018-03-23 12:19:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2018-03-23 12:19:41,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85.
[2018-03-23 12:19:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2018-03-23 12:19:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions.
[2018-03-23 12:19:41,210 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 29
[2018-03-23 12:19:41,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:41,211 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 93 transitions.
[2018-03-23 12:19:41,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-03-23 12:19:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions.
[2018-03-23 12:19:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2018-03-23 12:19:41,213 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:41,213 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:41,213 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:41,213 INFO L82 PathProgramCache]: Analyzing trace with hash 241003640, now seen corresponding path program 2 times
[2018-03-23 12:19:41,213 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:41,213 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:41,214 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:41,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:41,215 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:41,227 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:41,315 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:41,315 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:41,328 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-03-23 12:19:41,345 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2018-03-23 12:19:41,345 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-03-23 12:19:41,347 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:41,486 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:41,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14
[2018-03-23 12:19:41,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-03-23 12:19:41,486 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-03-23 12:19:41,486 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2018-03-23 12:19:41,486 INFO L87 Difference]: Start difference. First operand 85 states and 93 transitions. Second operand 15 states.
[2018-03-23 12:19:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:41,729 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions.
[2018-03-23 12:19:41,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2018-03-23 12:19:41,731 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 37
[2018-03-23 12:19:41,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:41,732 INFO L225 Difference]: With dead ends: 105
[2018-03-23 12:19:41,732 INFO L226 Difference]: Without dead ends: 104
[2018-03-23 12:19:41,733 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756
[2018-03-23 12:19:41,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2018-03-23 12:19:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 84.
[2018-03-23 12:19:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2018-03-23 12:19:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions.
[2018-03-23 12:19:41,741 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 37
[2018-03-23 12:19:41,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:41,742 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions.
[2018-03-23 12:19:41,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-03-23 12:19:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions.
[2018-03-23 12:19:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2018-03-23 12:19:41,744 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:41,744 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:41,744 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:41,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1118821281, now seen corresponding path program 2 times
[2018-03-23 12:19:41,745 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:41,745 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:41,746 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:41,746 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-03-23 12:19:41,746 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:41,756 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:41,965 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:41,965 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:41,974 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-03-23 12:19:41,988 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2018-03-23 12:19:41,989 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-03-23 12:19:41,991 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:41,995 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
[2018-03-23 12:19:41,995 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:41,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:41,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-03-23 12:19:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:42,060 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:42,060 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9
[2018-03-23 12:19:42,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-03-23 12:19:42,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-03-23 12:19:42,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2018-03-23 12:19:42,061 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 10 states.
[2018-03-23 12:19:42,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:42,295 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions.
[2018-03-23 12:19:42,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2018-03-23 12:19:42,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38
[2018-03-23 12:19:42,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:42,297 INFO L225 Difference]: With dead ends: 104
[2018-03-23 12:19:42,297 INFO L226 Difference]: Without dead ends: 103
[2018-03-23 12:19:42,297 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2018-03-23 12:19:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2018-03-23 12:19:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93.
[2018-03-23 12:19:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states.
[2018-03-23 12:19:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions.
[2018-03-23 12:19:42,304 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 38
[2018-03-23 12:19:42,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:42,304 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions.
[2018-03-23 12:19:42,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-03-23 12:19:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions.
[2018-03-23 12:19:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2018-03-23 12:19:42,306 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:42,306 INFO L353 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:42,306 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:42,307 INFO L82 PathProgramCache]: Analyzing trace with hash -846458449, now seen corresponding path program 1 times
[2018-03-23 12:19:42,307 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:42,307 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:42,308 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:42,308 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-03-23 12:19:42,308 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:42,316 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:42,345 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:42,345 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:42,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:42,362 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:42,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:42,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9
[2018-03-23 12:19:42,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-03-23 12:19:42,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-03-23 12:19:42,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2018-03-23 12:19:42,403 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 9 states.
[2018-03-23 12:19:42,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:42,462 INFO L93 Difference]: Finished difference Result 138 states and 153 transitions.
[2018-03-23 12:19:42,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-03-23 12:19:42,463 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38
[2018-03-23 12:19:42,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:42,464 INFO L225 Difference]: With dead ends: 138
[2018-03-23 12:19:42,464 INFO L226 Difference]: Without dead ends: 118
[2018-03-23 12:19:42,464 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156
[2018-03-23 12:19:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states.
[2018-03-23 12:19:42,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103.
[2018-03-23 12:19:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states.
[2018-03-23 12:19:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions.
[2018-03-23 12:19:42,472 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 38
[2018-03-23 12:19:42,472 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:42,472 INFO L459 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions.
[2018-03-23 12:19:42,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-03-23 12:19:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions.
[2018-03-23 12:19:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2018-03-23 12:19:42,475 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:42,475 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:42,475 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:42,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1486004430, now seen corresponding path program 3 times
[2018-03-23 12:19:42,475 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:42,475 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:42,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:42,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:42,476 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:42,489 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2018-03-23 12:19:42,707 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:42,707 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:42,714 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2
[2018-03-23 12:19:42,724 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2018-03-23 12:19:42,725 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-03-23 12:19:42,727 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:42,732 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
[2018-03-23 12:19:42,732 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:42,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-03-23 12:19:42,735 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-03-23 12:19:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2018-03-23 12:19:42,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:42,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17
[2018-03-23 12:19:42,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states
[2018-03-23 12:19:42,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2018-03-23 12:19:42,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306
[2018-03-23 12:19:42,869 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 18 states.
[2018-03-23 12:19:43,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:43,056 INFO L93 Difference]: Finished difference Result 103 states and 114 transitions.
[2018-03-23 12:19:43,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2018-03-23 12:19:43,056 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47
[2018-03-23 12:19:43,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:43,057 INFO L225 Difference]: With dead ends: 103
[2018-03-23 12:19:43,057 INFO L226 Difference]: Without dead ends: 102
[2018-03-23 12:19:43,058 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650
[2018-03-23 12:19:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2018-03-23 12:19:43,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 82.
[2018-03-23 12:19:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states.
[2018-03-23 12:19:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions.
[2018-03-23 12:19:43,063 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 47
[2018-03-23 12:19:43,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:43,063 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions.
[2018-03-23 12:19:43,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states.
[2018-03-23 12:19:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions.
[2018-03-23 12:19:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2018-03-23 12:19:43,064 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:43,064 INFO L353 BasicCegarLoop]: trace histogram [4, 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]
[2018-03-23 12:19:43,064 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:43,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1100265189, now seen corresponding path program 2 times
[2018-03-23 12:19:43,065 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:43,065 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:43,065 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:43,065 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-03-23 12:19:43,066 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:43,074 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-03-23 12:19:43,145 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:43,145 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:43,151 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-03-23 12:19:43,157 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2018-03-23 12:19:43,157 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-03-23 12:19:43,160 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:43,181 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_~#mask~0.base| Int)) (and (= (store |c_old(#valid)| |main_~#mask~0.base| 0) |c_#valid|) (= (select |c_old(#valid)| |main_~#mask~0.base|) 0))) is different from true
[2018-03-23 12:19:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2018-03-23 12:19:43,221 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-03-23 12:19:43,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12
[2018-03-23 12:19:43,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states
[2018-03-23 12:19:43,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2018-03-23 12:19:43,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=83, Unknown=1, NotChecked=18, Total=132
[2018-03-23 12:19:43,222 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 12 states.
[2018-03-23 12:19:43,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:43,567 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions.
[2018-03-23 12:19:43,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2018-03-23 12:19:43,568 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48
[2018-03-23 12:19:43,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:43,568 INFO L225 Difference]: With dead ends: 126
[2018-03-23 12:19:43,568 INFO L226 Difference]: Without dead ends: 94
[2018-03-23 12:19:43,569 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=364, Unknown=2, NotChecked=42, Total=552
[2018-03-23 12:19:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2018-03-23 12:19:43,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84.
[2018-03-23 12:19:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2018-03-23 12:19:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions.
[2018-03-23 12:19:43,574 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 48
[2018-03-23 12:19:43,574 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:43,574 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 94 transitions.
[2018-03-23 12:19:43,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2018-03-23 12:19:43,574 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions.
[2018-03-23 12:19:43,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2018-03-23 12:19:43,575 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:43,575 INFO L353 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:43,575 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:43,575 INFO L82 PathProgramCache]: Analyzing trace with hash 124901911, now seen corresponding path program 1 times
[2018-03-23 12:19:43,575 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:43,576 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:43,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:43,576 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2018-03-23 12:19:43,576 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:43,584 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2018-03-23 12:19:43,654 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:43,654 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:43,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:43,687 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2018-03-23 12:19:43,842 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:43,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11] total 15
[2018-03-23 12:19:43,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states
[2018-03-23 12:19:43,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2018-03-23 12:19:43,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210
[2018-03-23 12:19:43,844 INFO L87 Difference]: Start difference. First operand 84 states and 94 transitions. Second operand 15 states.
[2018-03-23 12:19:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:44,116 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions.
[2018-03-23 12:19:44,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2018-03-23 12:19:44,116 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 60
[2018-03-23 12:19:44,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:44,117 INFO L225 Difference]: With dead ends: 123
[2018-03-23 12:19:44,117 INFO L226 Difference]: Without dead ends: 111
[2018-03-23 12:19:44,118 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650
[2018-03-23 12:19:44,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2018-03-23 12:19:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101.
[2018-03-23 12:19:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2018-03-23 12:19:44,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions.
[2018-03-23 12:19:44,125 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 60
[2018-03-23 12:19:44,125 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:44,125 INFO L459 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions.
[2018-03-23 12:19:44,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states.
[2018-03-23 12:19:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions.
[2018-03-23 12:19:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2018-03-23 12:19:44,127 INFO L345 BasicCegarLoop]: Found error trace
[2018-03-23 12:19:44,127 INFO L353 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-03-23 12:19:44,127 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]===
[2018-03-23 12:19:44,127 INFO L82 PathProgramCache]: Analyzing trace with hash -2076866068, now seen corresponding path program 2 times
[2018-03-23 12:19:44,128 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-03-23 12:19:44,128 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-03-23 12:19:44,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:44,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-03-23 12:19:44,128 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-03-23 12:19:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-03-23 12:19:44,135 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-03-23 12:19:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2018-03-23 12:19:44,190 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-03-23 12:19:44,190 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-03-23 12:19:44,198 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-03-23 12:19:44,210 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2018-03-23 12:19:44,210 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-03-23 12:19:44,212 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-03-23 12:19:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2018-03-23 12:19:44,321 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-03-23 12:19:44,321 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13] total 19
[2018-03-23 12:19:44,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states
[2018-03-23 12:19:44,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2018-03-23 12:19:44,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342
[2018-03-23 12:19:44,322 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand 19 states.
[2018-03-23 12:19:44,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-03-23 12:19:44,526 INFO L93 Difference]: Finished difference Result 139 states and 157 transitions.
[2018-03-23 12:19:44,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2018-03-23 12:19:44,526 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 77
[2018-03-23 12:19:44,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-03-23 12:19:44,527 INFO L225 Difference]: With dead ends: 139
[2018-03-23 12:19:44,527 INFO L226 Difference]: Without dead ends: 0
[2018-03-23 12:19:44,528 INFO L568 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=940, Unknown=0, NotChecked=0, Total=1190
[2018-03-23 12:19:44,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-03-23 12:19:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-03-23 12:19:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-03-23 12:19:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-03-23 12:19:44,529 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77
[2018-03-23 12:19:44,529 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-03-23 12:19:44,529 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-03-23 12:19:44,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states.
[2018-03-23 12:19:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-03-23 12:19:44,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-03-23 12:19:44,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2018-03-23 12:19:44,588 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,605 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,622 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,638 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,654 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,670 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:44,685 WARN L137 erpolLogProxyWrapper]: Already inconsistent.
[2018-03-23 12:19:45,029 WARN L151 SmtUtils]: Spent 199ms on a formula simplification. DAG size of input: 38 DAG size of output 23
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed.
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2018-03-23 12:19:45,164 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooFINAL(lines 12 19) no Hoare annotation was computed.
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point L15''''(line 15) no Hoare annotation was computed.
[2018-03-23 12:19:45,164 INFO L416 ceAbstractionStarter]: For program point L15'''''(line 15) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L412 ceAbstractionStarter]: At program point L15''''''(lines 15 17) the Hoare annotation is: (or (not (= 32 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size|)) (not (= 0 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.offset|)) (not (= 1 (select |#valid| |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.base|))) (and (= 1 (select |#valid| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.offset 0) (<= 0 (+ __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.offset __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0)) (= 32 (select |#length| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base))) (not (= 32 (select |#length| |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.base|))))
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L15'''''''(lines 15 17) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L12(lines 12 19) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L15'''(lines 15 17) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L16'''(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,165 INFO L416 ceAbstractionStarter]: For program point L15'(lines 15 17) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point L16'(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooEXIT(lines 12 19) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point L16''(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation(line 16) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooENTRY(lines 12 19) the Hoare annotation is: true
[2018-03-23 12:19:45,166 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true
[2018-03-23 12:19:45,166 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L412 ceAbstractionStarter]: At program point L25'''''(lines 25 27) the Hoare annotation is: (let ((.cse0 (= |#valid| (store |old(#valid)| |main_~#mask~0.base| 1))) (.cse1 (= 32 (select |#length| |main_~#mask~0.base|))) (.cse2 (= 0 |main_~#mask~0.offset|)) (.cse3 (= (select |old(#valid)| |main_~#mask~0.base|) 0))) (or (and .cse0 .cse1 .cse2 (= main_~i~1 0) .cse3) (and .cse0 .cse1 .cse2 (<= 1 main_~i~1) .cse3)))
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point L28''''(line 28) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point mainErr0AssertViolationARRAY_INDEX(line 26) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed.
[2018-03-23 12:19:45,166 INFO L416 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L412 ceAbstractionStarter]: At program point L28'''''(lines 28 32) the Hoare annotation is: (let ((.cse0 (= |#valid| (store |old(#valid)| |main_~#mask~0.base| 1))) (.cse1 (= 32 (select |#length| |main_~#mask~0.base|))) (.cse2 (= 0 |main_~#mask~0.offset|)) (.cse3 (= (select |old(#valid)| |main_~#mask~0.base|) 0))) (or (and .cse0 .cse1 .cse2 (= main_~i~1 0) .cse3) (and .cse0 .cse1 .cse2 (<= 1 main_~i~1) .cse3)))
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L25'''(line 25) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L28(lines 28 32) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L24''''(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L25''''''(lines 25 27) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L29'(lines 29 31) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L24'''''(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L28''''''(lines 28 32) no Hoare annotation was computed.
[2018-03-23 12:19:45,167 INFO L416 ceAbstractionStarter]: For program point L25''''(line 25) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point L26''''(line 26) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 21 34) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point L24''(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point L25''(lines 25 27) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 21 34) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point mainErr2EnsuresViolationMEMORY_LEAK(lines 21 34) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 21 34) the Hoare annotation is: (= |#valid| |old(#valid)|)
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point L24'''(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,168 INFO L412 ceAbstractionStarter]: At program point L26'(line 26) the Hoare annotation is: (let ((.cse0 (= |#valid| (store |old(#valid)| |main_~#mask~0.base| 1))) (.cse1 (= 32 (select |#length| |main_~#mask~0.base|))) (.cse2 (= 0 |main_~#mask~0.offset|)) (.cse3 (= (select |old(#valid)| |main_~#mask~0.base|) 0))) (or (and .cse0 .cse1 (<= main_~i~1 31) .cse2 (<= 1 main_~i~1) .cse3) (and (= 0 main_~i~1) .cse0 .cse1 .cse2 .cse3)))
[2018-03-23 12:19:45,168 INFO L416 ceAbstractionStarter]: For program point mainErr1AssertViolationARRAY_INDEX(line 29) no Hoare annotation was computed.
[2018-03-23 12:19:45,169 INFO L416 ceAbstractionStarter]: For program point L28''(lines 28 32) no Hoare annotation was computed.
[2018-03-23 12:19:45,169 INFO L416 ceAbstractionStarter]: For program point L26''(line 26) no Hoare annotation was computed.
[2018-03-23 12:19:45,169 INFO L416 ceAbstractionStarter]: For program point L24'(line 24) no Hoare annotation was computed.
[2018-03-23 12:19:45,169 INFO L416 ceAbstractionStarter]: For program point L26'''(line 26) no Hoare annotation was computed.
[2018-03-23 12:19:45,169 INFO L416 ceAbstractionStarter]: For program point L28'''(line 28) no Hoare annotation was computed.
[2018-03-23 12:19:45,173 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,174 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,177 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,177 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,179 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,180 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,181 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,181 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,183 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,183 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,185 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,185 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 12:19:45 BasicIcfg
[2018-03-23 12:19:45,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-03-23 12:19:45,188 INFO L168 Benchmark]: Toolchain (without parser) took 10030.51 ms. Allocated memory was 308.8 MB in the beginning and 720.9 MB in the end (delta: 412.1 MB). Free memory was 249.2 MB in the beginning and 428.6 MB in the end (delta: -179.4 MB). Peak memory consumption was 232.6 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,189 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 308.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.43 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 239.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,189 INFO L168 Benchmark]: Boogie Preprocessor took 37.38 ms. Allocated memory is still 308.8 MB. Free memory was 239.2 MB in the beginning and 237.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,190 INFO L168 Benchmark]: RCFGBuilder took 358.81 ms. Allocated memory was 308.8 MB in the beginning and 467.1 MB in the end (delta: 158.3 MB). Free memory was 237.2 MB in the beginning and 430.6 MB in the end (delta: -193.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,190 INFO L168 Benchmark]: IcfgTransformer took 3044.59 ms. Allocated memory was 467.1 MB in the beginning and 671.1 MB in the end (delta: 203.9 MB). Free memory was 430.6 MB in the beginning and 438.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 196.5 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,191 INFO L168 Benchmark]: TraceAbstraction took 6362.15 ms. Allocated memory was 671.1 MB in the beginning and 720.9 MB in the end (delta: 49.8 MB). Free memory was 438.1 MB in the beginning and 428.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 59.3 MB. Max. memory is 5.3 GB.
[2018-03-23 12:19:45,193 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 308.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 221.43 ms. Allocated memory is still 308.8 MB. Free memory was 249.2 MB in the beginning and 239.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 37.38 ms. Allocated memory is still 308.8 MB. Free memory was 239.2 MB in the beginning and 237.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 358.81 ms. Allocated memory was 308.8 MB in the beginning and 467.1 MB in the end (delta: 158.3 MB). Free memory was 237.2 MB in the beginning and 430.6 MB in the end (delta: -193.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB.
* IcfgTransformer took 3044.59 ms. Allocated memory was 467.1 MB in the beginning and 671.1 MB in the end (delta: 203.9 MB). Free memory was 430.6 MB in the beginning and 438.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 196.5 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 6362.15 ms. Allocated memory was 671.1 MB in the beginning and 720.9 MB in the end (delta: 49.8 MB). Free memory was 438.1 MB in the beginning and 428.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 59.3 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- StatisticsResult: ArrayEqualityDomainStatistics
#Locations : 60
LocStat_MAX_WEQGRAPH_SIZE : 2
LocStat_MAX_SIZEOF_WEQEDGELABEL : 1
LocStat_NO_SUPPORTING_EQUALITIES : 273
LocStat_NO_SUPPORTING_DISEQUALITIES : 104
LocStat_NO_DISJUNCTIONS : -120
LocStat_MAX_NO_DISJUNCTIONS : -1
#Transitions : 80
TransStat_MAX_WEQGRAPH_SIZE : 2
TransStat_MAX_SIZEOF_WEQEDGELABEL : 1
TransStat_NO_SUPPORTING_EQUALITIES : 60
TransStat_NO_SUPPORTING_DISEQUALITIES : 7
TransStat_NO_DISJUNCTIONS : 81
TransStat_MAX_NO_DISJUNCTIONS : 2
- StatisticsResult: EqConstraintFactoryStatistics
CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.019370
RENAME_VARIABLES(MILLISECONDS) : 0.205598
UNFREEZE(MILLISECONDS) : 0.000000
CONJOIN(MILLISECONDS) : 0.001011
PROJECTAWAY(MILLISECONDS) : 0.143352
ADD_WEAK_EQUALITY(MILLISECONDS) : 0.145577
DISJOIN(MILLISECONDS) : 0.317197
RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.225159
ADD_EQUALITY(MILLISECONDS) : 0.056341
DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000
ADD_DISEQUALITY(MILLISECONDS) : 0.036440
#CONJOIN_DISJUNCTIVE : 435
#RENAME_VARIABLES : 932
#UNFREEZE : 0
#CONJOIN : 549
#PROJECTAWAY : 585
#ADD_WEAK_EQUALITY : 7
#DISJOIN : 92
#RENAME_VARIABLES_DISJUNCTIVE : 925
#ADD_EQUALITY : 60
#DISJOIN_DISJUNCTIVE : 0
#ADD_DISEQUALITY : 4
* Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation:
- StatisticsResult: HeapSeparatorStatistics
#COUNT_NEW_ARRAY_VARS_[#memory_int] : 1
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 1
COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 1
COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 1
COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1
COUNT_ARRAY_READS for [#memory_int] : 1
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
- GenericResult: Unfinished Backtranslation
unknown boogie variable #length
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 16]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 16]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 16]: array index is always in bounds
For all program executions holds that array index is always in bounds at this location
- PositiveResult [Line: 29]: array index is always in bounds
For all program executions holds that array index is always in bounds at this location
- PositiveResult [Line: 21]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 26]: array index is always in bounds
For all program executions holds that array index is always in bounds at this location
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
- InvariantResult [Line: 25]: Loop Invariant
[2018-03-23 12:19:45,201 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,201 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,203 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,203 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
Derived loop invariant: ((((\valid == \old(\valid)[mask := 1] && 32 == unknown-#length-unknown[mask]) && 0 == mask) && i == 0) && \old(\valid)[mask] == 0) || ((((\valid == \old(\valid)[mask := 1] && 32 == unknown-#length-unknown[mask]) && 0 == mask) && 1 <= i) && \old(\valid)[mask] == 0)
- InvariantResult [Line: 28]: Loop Invariant
[2018-03-23 12:19:45,204 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,204 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,205 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,206 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
Derived loop invariant: ((((\valid == \old(\valid)[mask := 1] && 32 == unknown-#length-unknown[mask]) && 0 == mask) && i == 0) && \old(\valid)[mask] == 0) || ((((\valid == \old(\valid)[mask := 1] && 32 == unknown-#length-unknown[mask]) && 0 == mask) && 1 <= i) && \old(\valid)[mask] == 0)
- InvariantResult [Line: 15]: Loop Invariant
[2018-03-23 12:19:45,207 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,207 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,207 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
[2018-03-23 12:19:45,208 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length
Derived loop invariant: (((!(32 == \old(size)) || !(0 == b)) || !(1 == \valid[b])) || ((((1 == \valid[b] && size == 32) && b == 0) && 0 <= b + i) && 32 == unknown-#length-unknown[b])) || !(32 == unknown-#length-unknown[b])
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 62 locations, 6 error locations. SAFE Result, 6.2s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 775 SDtfs, 1016 SDslu, 3366 SDs, 0 SdLazy, 1572 SolverSat, 117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 374 SyntacticMatches, 15 SemanticMatches, 199 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=10, 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: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 136 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 25 PreInvPairs, 49 NumberOfFragments, 196 HoareAnnotationTreeSize, 25 FomulaSimplifications, 2005 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 720 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 913 NumberOfCodeBlocks, 865 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 889 ConstructedInterpolants, 2 QuantifiedInterpolants, 185721 SizeOfPredicates, 52 NumberOfNonLiveVariables, 664 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 24 InterpolantComputations, 6 PerfectInterpolantSequences, 316/650 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-03-23_12-19-45-213.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-03-23_12-19-45-213.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-03-23_12-19-45-213.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-03-23_12-19-45-213.csv
Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-23_12-19-45-213.csv
Received shutdown request...