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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:05:53,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:05:53,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:05:53,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:05:53,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:05:53,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:05:53,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:05:53,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:05:53,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:05:53,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:05:53,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:05:53,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:05:53,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:05:53,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:05:53,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:05:53,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:05:53,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:05:53,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:05:53,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:05:53,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:05:53,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:05:53,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:05:53,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:05:53,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:05:53,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 22:05:53,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:05:53,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:05:53,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:05:53,415 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 [2019-09-19 22:05:53,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:05:53,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:05:53,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:05:53,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:05:53,435 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:05:53,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:05:53,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:05:53,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:05:53,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:05:53,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:05:53,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:05:53,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:05:53,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:05:53,436 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:05:53,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:05:53,437 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:05:53,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:05:53,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:05:53,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:05:53,438 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:05:53,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:05:53,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:05:53,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:05:53,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:05:53,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:05:53,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:05:53,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:05:53,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:05:53,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:05:53,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:05:53,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:05:53,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:05:53,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:05:53,488 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:05:53,489 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-19 22:05:53,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459399ac8/05d357ab4b70464284de8f939462aa17/FLAGc12054523 [2019-09-19 22:05:53,938 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:05:53,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-19 22:05:53,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459399ac8/05d357ab4b70464284de8f939462aa17/FLAGc12054523 [2019-09-19 22:05:54,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459399ac8/05d357ab4b70464284de8f939462aa17 [2019-09-19 22:05:54,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:05:54,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:05:54,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:05:54,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:05:54,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:05:54,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34dc2ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54, skipping insertion in model container [2019-09-19 22:05:54,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,335 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:05:54,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:05:54,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:05:54,620 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:05:54,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:05:54,775 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:05:54,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54 WrapperNode [2019-09-19 22:05:54,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:05:54,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:05:54,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:05:54,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:05:54,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (1/1) ... [2019-09-19 22:05:54,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:05:54,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:05:54,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:05:54,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:05:54,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:54" (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 [2019-09-19 22:05:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:05:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:05:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-19 22:05:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:05:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:05:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:05:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-19 22:05:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-19 22:05:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:05:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:05:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:05:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:05:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:05:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:05:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:05:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:05:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:05:55,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:05:55,452 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-19 22:05:55,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:05:55 BoogieIcfgContainer [2019-09-19 22:05:55,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:05:55,454 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:05:55,454 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:05:55,454 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:05:55,455 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:05:55" (1/1) ... [2019-09-19 22:05:55,456 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:05:55,482 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:05:55,483 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:05:55,489 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:05:55,497 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:05:55,498 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:05:55,647 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 22:05:56,004 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 22:05:56,261 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 22:05:56,475 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:05:56,652 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:06:04,421 WARN L191 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-19 22:06:08,813 WARN L191 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-19 22:06:13,646 WARN L191 SmtUtils]: Spent 4.81 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 22:06:16,017 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 22:06:16,456 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 22:06:16,625 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 22:06:16,833 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 22:06:16,954 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 22:06:17,218 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-19 22:06:17,681 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-19 22:06:18,117 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-19 22:06:18,493 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2019-09-19 22:06:18,612 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2019-09-19 22:06:20,551 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 465 [2019-09-19 22:06:20,708 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-09-19 22:06:21,642 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 560 [2019-09-19 22:06:21,854 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-09-19 22:06:24,183 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:06:24,184 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:06:24,186 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 77#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))) [2019-09-19 22:06:24,198 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:06:24,198 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:06:24,200 INFO L168 Benchmark]: Toolchain (without parser) took 29880.32 ms. Allocated memory was 133.2 MB in the beginning and 311.4 MB in the end (delta: 178.3 MB). Free memory was 89.3 MB in the beginning and 229.6 MB in the end (delta: -140.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,201 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.49 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.1 MB in the beginning and 176.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,202 INFO L168 Benchmark]: Boogie Preprocessor took 86.35 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,203 INFO L168 Benchmark]: RCFGBuilder took 588.87 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 151.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,204 INFO L168 Benchmark]: Sifa took 28745.02 ms. Allocated memory was 199.2 MB in the beginning and 311.4 MB in the end (delta: 112.2 MB). Free memory was 151.4 MB in the beginning and 229.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-09-19 22:06:24,210 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 456.49 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.1 MB in the beginning and 176.0 MB in the end (delta: -86.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.35 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 173.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 588.87 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 151.4 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Sifa took 28745.02 ms. Allocated memory was 199.2 MB in the beginning and 311.4 MB in the end (delta: 112.2 MB). Free memory was 151.4 MB in the beginning and 229.6 MB in the end (delta: -78.2 MB). Peak memory consumption was 34.0 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]: 28703, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 34, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 27, TOOLS_POST_TIME[ms]: 19963, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 19956, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16999, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 734, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 4797, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 3106, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 26469, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26468, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 126, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 51]: 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 77#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...