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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:45:27,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:45:27,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:45:27,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:45:27,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:45:27,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:45:27,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:45:27,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:45:27,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:45:27,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:45:27,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:45:27,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:45:27,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:45:27,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:45:27,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:45:27,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:45:27,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:45:27,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:45:27,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:45:27,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:45:27,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:45:27,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:45:27,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:45:27,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:45:27,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:45:27,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:45:27,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:45:27,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:45:27,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:45:27,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:45:27,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:45:27,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:45:27,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:45:27,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:45:27,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:45:27,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:45:27,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:45:27,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:45:27,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:45:27,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:45:27,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:45:27,325 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 15:45:27,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:45:27,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:45:27,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:45:27,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:45:27,342 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:45:27,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:45:27,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:45:27,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:45:27,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:45:27,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:45:27,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:45:27,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:45:27,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:45:27,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:45:27,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:45:27,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:45:27,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:45:27,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:45:27,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:45:27,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:45:27,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:45:27,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:45:27,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:45:27,347 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:45:27,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:45:27,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:45:27,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:45:27,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:45:27,396 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:45:27,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 15:45:27,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273324a6/fa85df078fd14a48aae77c523c191720/FLAG52957b367 [2019-09-20 15:45:27,889 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:45:27,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 15:45:27,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273324a6/fa85df078fd14a48aae77c523c191720/FLAG52957b367 [2019-09-20 15:45:28,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c273324a6/fa85df078fd14a48aae77c523c191720 [2019-09-20 15:45:28,268 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:45:28,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:45:28,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:28,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:45:28,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:45:28,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b8ced7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28, skipping insertion in model container [2019-09-20 15:45:28,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,289 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:45:28,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:45:28,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:28,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:45:28,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:45:28,667 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:45:28,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28 WrapperNode [2019-09-20 15:45:28,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:45:28,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:45:28,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:45:28,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:45:28,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (1/1) ... [2019-09-20 15:45:28,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:45:28,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:45:28,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:45:28,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:45:28,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:45:28" (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 15:45:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:45:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:45:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 15:45:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 15:45:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 15:45:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:45:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:45:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:45:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 15:45:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 15:45:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:45:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:45:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:45:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:45:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:45:29,188 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:45:29,188 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:45:29,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:29 BoogieIcfgContainer [2019-09-20 15:45:29,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:45:29,190 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:45:29,190 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:45:29,191 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:45:29,192 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:45:29" (1/1) ... [2019-09-20 15:45:29,193 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:45:29,224 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:45:29,225 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:45:29,233 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:45:29,242 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:45:29,243 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:45:29,582 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 15:45:29,855 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 15:45:30,200 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:45:30,201 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:45:30,203 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) [2019-09-20 15:45:30,221 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:45:30,221 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:45:30,224 INFO L168 Benchmark]: Toolchain (without parser) took 1953.23 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 87.0 MB in the end (delta: 859.9 kB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,225 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.25 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 177.6 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,229 INFO L168 Benchmark]: Boogie Preprocessor took 37.64 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,235 INFO L168 Benchmark]: RCFGBuilder took 483.48 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 151.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,237 INFO L168 Benchmark]: Sifa took 1030.95 ms. Allocated memory is still 200.8 MB. Free memory was 151.8 MB in the beginning and 87.0 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:45:30,247 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 133.7 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 397.25 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 177.6 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.64 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.48 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 151.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Sifa took 1030.95 ms. Allocated memory is still 200.8 MB. Free memory was 151.8 MB in the beginning and 87.0 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 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]: 979, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 596, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME[ms]: 615, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 294, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 152, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 69, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 156, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 155, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 647, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 646, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 48]: 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 69#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...