java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fea9116
[2019-09-21 09:51:51,212 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:51:51,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:51:51,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:51:51,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:51:51,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:51:51,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:51:51,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:51:51,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:51:51,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:51:51,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:51:51,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:51:51,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:51:51,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:51:51,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:51:51,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:51:51,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:51:51,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:51:51,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:51:51,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:51:51,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:51:51,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:51:51,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:51:51,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:51:51,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:51:51,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:51:51,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:51:51,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:51:51,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:51:51,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:51:51,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:51:51,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:51:51,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:51:51,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:51:51,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:51:51,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 09:51:51,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 09:51:51,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:51:51,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:51:51,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:51:51,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:51:51,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-09-21 09:51:51,330 INFO L113 SettingsManager]: Loading preferences was successful
[2019-09-21 09:51:51,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:51:51,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:51:51,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-09-21 09:51:51,335 INFO L138 SettingsManager]: * Use SBE=true
[2019-09-21 09:51:51,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:51:51,335 INFO L138 SettingsManager]: * sizeof long=4
[2019-09-21 09:51:51,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-09-21 09:51:51,336 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-09-21 09:51:51,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-09-21 09:51:51,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:51:51,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:51:51,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:51:51,338 INFO L138 SettingsManager]: * sizeof long double=12
[2019-09-21 09:51:51,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-09-21 09:51:51,338 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-09-21 09:51:51,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:51:51,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:51:51,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-09-21 09:51:51,339 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-09-21 09:51:51,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-09-21 09:51:51,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:51:51,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:51:51,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:51:51,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:51:51,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-09-21 09:51:51,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:51:51,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:51:51,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 09:51:51,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:51:51,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:51:51,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:51:51,400 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-09-21 09:51:51,401 INFO L275 PluginConnector]: CDTParser initialized
[2019-09-21 09:51:51,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c
[2019-09-21 09:51:51,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23aa59cd/0cf848603a0e4c299c444e40c96caa6f/FLAG049fdf17b
[2019-09-21 09:51:51,983 INFO L306 CDTParser]: Found 1 translation units.
[2019-09-21 09:51:51,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c
[2019-09-21 09:51:51,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23aa59cd/0cf848603a0e4c299c444e40c96caa6f/FLAG049fdf17b
[2019-09-21 09:51:52,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c23aa59cd/0cf848603a0e4c299c444e40c96caa6f
[2019-09-21 09:51:52,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:51:52,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:51:52,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:51:52,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:51:52,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:51:52,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52, skipping insertion in model container
[2019-09-21 09:51:52,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,398 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-09-21 09:51:52,422 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:51:52,647 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:51:52,657 INFO L188 MainTranslator]: Completed pre-run
[2019-09-21 09:51:52,682 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:51:52,791 INFO L192 MainTranslator]: Completed translation
[2019-09-21 09:51:52,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52 WrapperNode
[2019-09-21 09:51:52,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:51:52,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:51:52,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:51:52,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:51:52,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
[2019-09-21 09:51:52,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:51:52,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:51:52,832 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:51:52,832 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:51:52,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:52" (1/1) ...
No working directory specified, using /storage/repos/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
[2019-09-21 09:51:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:51:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:51:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-09-21 09:51:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:51:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:51:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:51:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:51:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:51:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:51:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:51:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:51:53,209 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:51:53,209 INFO L283 CfgBuilder]: Removed 2 assume(true) statements.
[2019-09-21 09:51:53,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:53 BoogieIcfgContainer
[2019-09-21 09:51:53,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:51:53,211 INFO L113 PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:51:53,211 INFO L271 PluginConnector]: Initializing Sifa...
[2019-09-21 09:51:53,212 INFO L275 PluginConnector]: Sifa initialized
[2019-09-21 09:51:53,213 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:53" (1/1) ...
[2019-09-21 09:51:53,213 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds
(negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than
(negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 09:51:53,242 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:51:53,242 INFO L169 IcfgInterpreter]: Building call graph
[2019-09-21 09:51:53,249 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:51:53,257 INFO L179 IcfgInterpreter]: Starting interpretation
[2019-09-21 09:51:53,258 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:51:53,450 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs
[2019-09-21 09:51:56,031 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 241
[2019-09-21 09:51:56,460 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 271
[2019-09-21 09:51:56,581 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 271
[2019-09-21 09:51:56,741 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 263
[2019-09-21 09:51:57,381 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 325
[2019-09-21 09:51:57,548 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 325
[2019-09-21 09:51:57,747 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 317
[2019-09-21 09:51:57,913 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 314
[2019-09-21 09:51:58,713 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 380
[2019-09-21 09:51:58,870 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 380
[2019-09-21 09:51:59,041 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 373
[2019-09-21 09:51:59,186 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 369
[2019-09-21 09:51:59,420 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 366
[2019-09-21 09:52:00,467 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 465
[2019-09-21 09:52:00,678 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 465
[2019-09-21 09:52:00,977 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 458
[2019-09-21 09:52:01,231 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 437
[2019-09-21 09:52:01,374 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 437
[2019-09-21 09:52:01,578 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 432
[2019-09-21 09:52:06,195 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 82 for LOIs
[2019-09-21 09:52:06,202 INFO L183 IcfgInterpreter]: Interpretation finished
[2019-09-21 09:52:06,202 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:52:06,205 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 367#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~i~0_BEFORE_CALL_4 Int) (v_prenex_8 Int) (v_prenex_9 Int) (v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (v_main_~a~0.offset_BEFORE_CALL_4 Int)) (or (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= v_prenex_8 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_prenex_8) (<= 0 v_prenex_8) (< v_prenex_8 ~SIZE~0) (<= v_prenex_8 (select (select |#memory_int| v_prenex_7) (+ (* 4 v_prenex_8) v_prenex_9))) (<= 0 v_prenex_9) (<= v_prenex_9 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_4) (<= 1 ~SIZE~0) (< (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) (+ (* 4 v_main_~i~0_BEFORE_CALL_4) v_main_~a~0.offset_BEFORE_CALL_4)) v_main_~i~0_BEFORE_CALL_4) (<= |#NULL.base| 0) (<= 0 v_main_~i~0_BEFORE_CALL_4) (<= v_main_~a~0.offset_BEFORE_CALL_4 0) (<= 0 |#NULL.base|) (< v_main_~i~0_BEFORE_CALL_4 ~SIZE~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_4 100000) (<= 1 v_main_~i~0_BEFORE_CALL_4) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (< v_prenex_2 ~SIZE~0) (<= v_prenex_2 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_3) (<= v_prenex_2 100000) (< (select (select |#memory_int| v_prenex_1) (+ (* 4 v_prenex_2) v_prenex_3)) v_prenex_2) (<= v_prenex_3 0) (<= 0 v_prenex_2) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 v_prenex_5) (<= v_prenex_6 0) (<= 0 |#NULL.base|) (<= v_prenex_5 (select (select |#memory_int| v_prenex_4) (+ (* 4 v_prenex_5) v_prenex_6))) (<= 0 v_prenex_6) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_5 ~SIZE~0) (<= v_prenex_5 100000) (<= 100000 ~MAX~0) (<= v_prenex_5 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))
[2019-09-21 09:52:06,224 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:52:06,225 INFO L132 PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:52:06,227 INFO L168 Benchmark]: Toolchain (without parser) took 13846.46 ms. Allocated memory was 138.9 MB in the beginning and 477.6 MB in the end (delta: 338.7 MB). Free memory was 85.0 MB in the beginning and 310.7 MB in the end (delta: -225.7 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,228 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.48 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 176.6 MB in the end (delta: -91.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,235 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,237 INFO L168 Benchmark]: RCFGBuilder took 379.20 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 157.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,239 INFO L168 Benchmark]: Sifa took 13013.60 ms. Allocated memory was 198.7 MB in the beginning and 477.6 MB in the end (delta: 278.9 MB). Free memory was 157.9 MB in the beginning and 310.7 MB in the end (delta: -152.8 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB.
[2019-09-21 09:52:06,250 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 411.48 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 176.6 MB in the end (delta: -91.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 38.06 ms. Allocated memory is still 198.7 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 379.20 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 157.9 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB.
* Sifa took 13013.60 ms. Allocated memory was 198.7 MB in the beginning and 477.6 MB in the end (delta: 278.9 MB). Free memory was 157.9 MB in the beginning and 310.7 MB in the end (delta: -152.8 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
- StatisticsResult: Symbolic Interpretation with Fluid Abstractions
OVERALL_TIME[ms]: 12963, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 410, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 52, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 423, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 87, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 2733, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 226, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 3373, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 6064, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12490, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12489, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 149, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 148, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 74, DAG_COMPRESSION_RETAINED_NODES: 38
- UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: Over-approximation of reachable states at this location is 367#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((v_main_~a~0.base_BEFORE_CALL_2 Int) (v_main_~i~0_BEFORE_CALL_4 Int) (v_prenex_8 Int) (v_prenex_9 Int) (v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_2 Int) (v_prenex_3 Int) (v_prenex_1 Int) (v_main_~a~0.offset_BEFORE_CALL_4 Int)) (or (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= v_prenex_8 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_prenex_8) (<= 0 v_prenex_8) (< v_prenex_8 ~SIZE~0) (<= v_prenex_8 (select (select |#memory_int| v_prenex_7) (+ (* 4 v_prenex_8) v_prenex_9))) (<= 0 v_prenex_9) (<= v_prenex_9 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= 0 v_main_~a~0.offset_BEFORE_CALL_4) (<= 1 ~SIZE~0) (< (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_2) (+ (* 4 v_main_~i~0_BEFORE_CALL_4) v_main_~a~0.offset_BEFORE_CALL_4)) v_main_~i~0_BEFORE_CALL_4) (<= |#NULL.base| 0) (<= 0 v_main_~i~0_BEFORE_CALL_4) (<= v_main_~a~0.offset_BEFORE_CALL_4 0) (<= 0 |#NULL.base|) (< v_main_~i~0_BEFORE_CALL_4 ~SIZE~0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_main_~i~0_BEFORE_CALL_4 100000) (<= 1 v_main_~i~0_BEFORE_CALL_4) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (< v_prenex_2 ~SIZE~0) (<= v_prenex_2 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_3) (<= v_prenex_2 100000) (< (select (select |#memory_int| v_prenex_1) (+ (* 4 v_prenex_2) v_prenex_3)) v_prenex_2) (<= v_prenex_3 0) (<= 0 v_prenex_2) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= 1 ~SIZE~0) (<= |#NULL.base| 0) (<= 0 v_prenex_5) (<= v_prenex_6 0) (<= 0 |#NULL.base|) (<= v_prenex_5 (select (select |#memory_int| v_prenex_4) (+ (* 4 v_prenex_5) v_prenex_6))) (<= 0 v_prenex_6) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_5 ~SIZE~0) (<= v_prenex_5 100000) (<= 100000 ~MAX~0) (<= v_prenex_5 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)).
Possible FailurePath:
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...