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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:29:05,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:29:05,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:29:05,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:29:05,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:29:05,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:29:05,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:29:05,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:29:05,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:29:05,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:29:05,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:29:05,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:29:05,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:29:05,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:29:05,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:29:05,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:29:05,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:29:05,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:29:05,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:29:05,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:29:05,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:29:05,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:29:05,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:29:05,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:29:05,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-18 21:29:06,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:29:06,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:29:06,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:29:06,012 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 [2019-09-18 21:29:06,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:29:06,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:29:06,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:29:06,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:29:06,039 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:29:06,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:29:06,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:29:06,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:29:06,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:29:06,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:29:06,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:29:06,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:29:06,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:29:06,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:29:06,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:29:06,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:29:06,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:29:06,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:29:06,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:29:06,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:29:06,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:29:06,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:29:06,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:29:06,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:29:06,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:29:06,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:29:06,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:29:06,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:29:06,044 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 -> ReUseSupersetCallSummarizer 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_DDA [2019-09-18 21:29:06,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:29:06,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:29:06,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:29:06,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:29:06,103 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:29:06,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-18 21:29:06,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d98c519/491d37875e124ea386bbd343fcb19f1e/FLAG9417817ed [2019-09-18 21:29:06,589 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:29:06,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-18 21:29:06,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d98c519/491d37875e124ea386bbd343fcb19f1e/FLAG9417817ed [2019-09-18 21:29:06,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72d98c519/491d37875e124ea386bbd343fcb19f1e [2019-09-18 21:29:06,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:29:07,001 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:29:07,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:29:07,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:29:07,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:29:07,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:06" (1/1) ... [2019-09-18 21:29:07,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c271d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07, skipping insertion in model container [2019-09-18 21:29:07,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:29:06" (1/1) ... [2019-09-18 21:29:07,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:29:07,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:29:07,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:29:07,252 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:29:07,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:29:07,375 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:29:07,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07 WrapperNode [2019-09-18 21:29:07,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:29:07,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:29:07,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:29:07,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:29:07,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:29:07,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:29:07,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:29:07,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:29:07,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:29:07" (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 [2019-09-18 21:29:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:29:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:29:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-18 21:29:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:29:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:29:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:29:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 21:29:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-18 21:29:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:29:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:29:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:29:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:29:07,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:29:07,882 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 21:29:07,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:07 BoogieIcfgContainer [2019-09-18 21:29:07,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:29:07,884 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:29:07,884 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:29:07,884 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:29:07,885 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:29:07" (1/1) ... [2019-09-18 21:29:07,885 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:29:07,903 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:29:07,903 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:29:07,910 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:29:07,918 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:29:07,919 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:29:08,061 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:29:08,339 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 21:29:08,569 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 21:29:08,769 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 21:29:08,952 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 21:29:19,382 WARN L191 SmtUtils]: Spent 10.36 s on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-18 21:29:23,846 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-18 21:29:28,296 WARN L191 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 21:29:30,734 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 21:29:31,222 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 21:29:31,365 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 21:29:31,577 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 21:29:31,944 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 21:29:32,379 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-18 21:29:32,796 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-18 21:29:33,789 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 151 [2019-09-18 21:29:34,077 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 168 [2019-09-18 21:29:34,297 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:29:34,297 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:29:34,299 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 141#(exists ((v_main_~pa~0.base_BEFORE_CALL_1 Int) (v_main_~pa~0.offset_BEFORE_CALL_1 Int)) (and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= (select (select |#memory_int| v_main_~pa~0.base_BEFORE_CALL_1) v_main_~pa~0.offset_BEFORE_CALL_1) main_~i~0) (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)))))) [2019-09-18 21:29:34,324 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:29:34,325 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:29:34,326 INFO L168 Benchmark]: Toolchain (without parser) took 27325.46 ms. Allocated memory was 132.1 MB in the beginning and 310.4 MB in the end (delta: 178.3 MB). Free memory was 87.2 MB in the beginning and 177.3 MB in the end (delta: -90.1 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,328 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.49 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 174.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,335 INFO L168 Benchmark]: Boogie Preprocessor took 38.30 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,340 INFO L168 Benchmark]: RCFGBuilder took 468.68 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 150.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,341 INFO L168 Benchmark]: Sifa took 26440.98 ms. Allocated memory was 198.7 MB in the beginning and 310.4 MB in the end (delta: 111.7 MB). Free memory was 150.1 MB in the beginning and 177.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:29:34,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 374.49 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.0 MB in the beginning and 174.4 MB in the end (delta: -87.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.30 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 172.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.68 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 150.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Sifa took 26440.98 ms. Allocated memory was 198.7 MB in the beginning and 310.4 MB in the end (delta: 111.7 MB). Free memory was 150.1 MB in the beginning and 177.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 84.5 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]: 26397, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 21948, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 21991, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19352, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 60, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 508, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 33, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 3633, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 110, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 24284, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24283, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 88, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, 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 141#(exists ((v_main_~pa~0.base_BEFORE_CALL_1 Int) (v_main_~pa~0.offset_BEFORE_CALL_1 Int)) (and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= (select (select |#memory_int| v_main_~pa~0.base_BEFORE_CALL_1) v_main_~pa~0.offset_BEFORE_CALL_1) main_~i~0) (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...