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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:54,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:54,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:54,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:54,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:54,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:54,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:54,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:54,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:54,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:54,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:54,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:54,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:54,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:54,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:54,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:54,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:54,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:54,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:54,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:54,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:54,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:54,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:54,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:54,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 23:19:54,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:54,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:54,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:54,541 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 [2019-09-20 23:19:54,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:54,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:54,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:54,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:54,559 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:54,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:54,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:54,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:54,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:54,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:54,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:54,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:54,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:54,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:54,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:54,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:54,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:54,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:54,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:54,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:54,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:54,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:54,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:54,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:54,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:54,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:54,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:54,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:54,565 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 [2019-09-20 23:19:54,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:54,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:54,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:54,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:54,628 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:54,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-20 23:19:54,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae4ca876/840604538b3741a3bd3979f89e291e65/FLAG799ab4e7b [2019-09-20 23:19:55,147 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:55,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-09-20 23:19:55,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae4ca876/840604538b3741a3bd3979f89e291e65/FLAG799ab4e7b [2019-09-20 23:19:55,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dae4ca876/840604538b3741a3bd3979f89e291e65 [2019-09-20 23:19:55,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:55,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:55,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:55,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:55,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:55,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:55,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2db003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55, skipping insertion in model container [2019-09-20 23:19:55,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:55,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:55,595 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:55,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:55,847 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:55,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:55,981 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:55,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55 WrapperNode [2019-09-20 23:19:55,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:55,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:55,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:55,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:55,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:55,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (1/1) ... [2019-09-20 23:19:56,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:56,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:56,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:56,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:56,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:55" (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 [2019-09-20 23:19:56,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-20 23:19:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-09-20 23:19:56,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:56,069 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 23:19:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:19:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:19:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-09-20 23:19:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:56,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 23:19:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:19:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:56,398 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:56,399 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:19:56,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:56 BoogieIcfgContainer [2019-09-20 23:19:56,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:56,400 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:56,401 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:56,401 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:56,402 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:56" (1/1) ... [2019-09-20 23:19:56,403 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 [2019-09-20 23:19:56,430 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:56,430 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:56,437 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:56,444 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:56,446 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:56,718 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:19:56,940 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-20 23:19:57,137 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 64 for LOIs [2019-09-20 23:19:57,626 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:19:57,627 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:19:57,629 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)) [2019-09-20 23:19:57,644 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:19:57,645 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:19:57,647 INFO L168 Benchmark]: Toolchain (without parser) took 2086.50 ms. Allocated memory was 134.7 MB in the beginning and 227.0 MB in the end (delta: 92.3 MB). Free memory was 89.7 MB in the beginning and 155.6 MB in the end (delta: -65.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,648 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.37 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 89.5 MB in the beginning and 178.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,649 INFO L168 Benchmark]: Boogie Preprocessor took 33.45 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,650 INFO L168 Benchmark]: RCFGBuilder took 383.64 ms. Allocated memory is still 198.7 MB. Free memory was 173.9 MB in the beginning and 155.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,651 INFO L168 Benchmark]: Sifa took 1244.36 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 155.7 MB in the beginning and 155.6 MB in the end (delta: 67.9 kB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:57,655 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 134.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.37 ms. Allocated memory was 134.7 MB in the beginning and 198.7 MB in the end (delta: 64.0 MB). Free memory was 89.5 MB in the beginning and 178.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.45 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.64 ms. Allocated memory is still 198.7 MB. Free memory was 173.9 MB in the beginning and 155.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Sifa took 1244.36 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 155.7 MB in the beginning and 155.6 MB in the end (delta: 67.9 kB). Peak memory consumption was 28.4 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]: 1199, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 554, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 64, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 699, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 440, FLUID_QUERY_TIME[ms]: 2, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 406, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 936, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 935, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 43, DAG_COMPRESSION_RETAINED_NODES: 26 - UnprovableResult [Line: 31]: 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 25#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...