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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:22,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:22,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:22,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:22,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:22,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:22,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:22,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:22,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:22,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:22,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:22,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:22,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:22,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:22,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:22,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:22,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:22,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:22,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:22,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:22,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:22,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:22,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:22,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:22,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:29:22,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:22,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:22,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:22,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:22,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:22,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:22,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:22,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:22,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:22,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:22,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:22,576 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 16:29:22,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:22,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:22,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:22,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:22,597 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:22,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:22,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:22,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:22,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:22,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:22,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:22,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:22,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:22,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:22,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:22,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:22,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:22,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:22,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:22,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:22,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:22,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:22,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:22,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:22,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:22,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:22,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:22,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:22,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_DDA [2019-09-20 16:29:22,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:22,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:22,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:22,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:22,676 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:22,677 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2019-09-20 16:29:22,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8a1d06d/bc55f206b6764d3fa70b739bd6cf80ff/FLAGac5ce2c7f [2019-09-20 16:29:23,213 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:23,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2019-09-20 16:29:23,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8a1d06d/bc55f206b6764d3fa70b739bd6cf80ff/FLAGac5ce2c7f [2019-09-20 16:29:23,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8a1d06d/bc55f206b6764d3fa70b739bd6cf80ff [2019-09-20 16:29:23,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:23,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:23,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:23,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:23,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:23,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134c3fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23, skipping insertion in model container [2019-09-20 16:29:23,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:23,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:23,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:23,830 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:23,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:23,863 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:23,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23 WrapperNode [2019-09-20 16:29:23,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:23,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:23,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:23,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:23,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:23,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:23,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:23,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:23,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:23" (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 16:29:24,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 16:29:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 16:29:24,053 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:24,053 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:24,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:24,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:24,294 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:24,294 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:24,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:24 BoogieIcfgContainer [2019-09-20 16:29:24,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:24,296 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:24,296 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:24,297 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:24,298 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:24" (1/1) ... [2019-09-20 16:29:24,299 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:24,344 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:24,348 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:24,366 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:24,388 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:24,393 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:24,571 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 16:29:25,008 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 16:29:25,959 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 16:29:26,099 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:26,099 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:26,102 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 21#(and (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-20 16:29:26,121 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:26,121 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:26,123 INFO L168 Benchmark]: Toolchain (without parser) took 2490.93 ms. Allocated memory was 134.7 MB in the beginning and 230.2 MB in the end (delta: 95.4 MB). Free memory was 91.0 MB in the beginning and 120.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 66.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,124 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.61 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,138 INFO L168 Benchmark]: Boogie Preprocessor took 126.26 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 81.2 MB in the beginning and 177.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,139 INFO L168 Benchmark]: RCFGBuilder took 305.51 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 160.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,140 INFO L168 Benchmark]: Sifa took 1825.15 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 160.5 MB in the beginning and 120.0 MB in the end (delta: 40.5 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:26,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.61 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.26 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 81.2 MB in the beginning and 177.9 MB in the end (delta: -96.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.51 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 160.5 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Sifa took 1825.15 ms. Allocated memory was 201.9 MB in the beginning and 230.2 MB in the end (delta: 28.3 MB). Free memory was 160.5 MB in the beginning and 120.0 MB in the end (delta: 40.5 MB). Peak memory consumption was 68.8 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]: 1758, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 12, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 1205, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 293, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 1571, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 600, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 52, 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]: 1339, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1339, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 40, DAG_COMPRESSION_RETAINED_NODES: 26 - UnprovableResult [Line: 22]: 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 21#(and (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...