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 -i ../../../trunk/examples/svcomp/float-benchs/interpolation.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:35:46,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:35:46,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:35:46,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:35:46,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:35:46,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:35:46,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:35:46,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:35:46,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:35:46,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:35:46,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:35:46,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:35:46,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:35:46,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:35:46,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:35:46,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:35:46,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:35:46,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:35:46,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:35:46,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:35:46,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:35:46,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:35:46,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:35:46,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:35:46,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:35:46,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:35:46,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:35:46,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:35:46,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:35:46,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:35:46,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:35:46,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:35:46,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:35:46,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:35:46,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:35:46,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:35:46,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:35:46,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:35:46,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:35:46,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:35:46,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:35:46,147 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 [2019-09-06 08:35:46,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:35:46,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:35:46,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:35:46,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:35:46,174 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:35:46,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:35:46,174 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:35:46,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:35:46,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:35:46,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:35:46,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:35:46,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:35:46,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:35:46,177 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:35:46,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:35:46,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:35:46,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:35:46,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:35:46,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:35:46,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:35:46,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:35:46,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:35:46,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:35:46,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:35:46,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:35:46,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:35:46,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:35:46,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:35:46,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:35:46,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:35:46,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:35:46,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:35:46,264 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:35:46,265 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:35:46,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/interpolation.c.v+cfa-reducer.c [2019-09-06 08:35:46,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5595138d/ddbd293a035041ed8c2396be11f5169e/FLAGae47031ec [2019-09-06 08:35:46,785 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:35:46,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/interpolation.c.v+cfa-reducer.c [2019-09-06 08:35:46,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5595138d/ddbd293a035041ed8c2396be11f5169e/FLAGae47031ec [2019-09-06 08:35:47,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5595138d/ddbd293a035041ed8c2396be11f5169e [2019-09-06 08:35:47,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:35:47,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:35:47,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:47,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:35:47,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:35:47,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a7a6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47, skipping insertion in model container [2019-09-06 08:35:47,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:35:47,236 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:35:47,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:47,434 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:35:47,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:35:47,576 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:35:47,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47 WrapperNode [2019-09-06 08:35:47,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:35:47,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:35:47,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:35:47,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:35:47,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:35:47,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:35:47,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:35:47,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:35:47,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:35:47" (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 [2019-09-06 08:35:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:35:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:35:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:35:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:35:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:35:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:35:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:35:47,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:35:47,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:35:47,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-06 08:35:47,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:35:47,916 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:35:47,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:47 BoogieIcfgContainer [2019-09-06 08:35:47,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:35:47,927 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:35:47,927 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:35:47,928 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:35:47,931 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:35:47" (1/1) ... [2019-09-06 08:35:47,932 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:35:47,986 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:35:47,986 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:35:48,002 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:35:48,012 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:35:48,013 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:35:48,089 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 22 for LOIs [2019-09-06 08:35:48,239 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:35:48,240 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:35:48,242 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 45#(and (<= 0 |main_~#main__max~0.offset|) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__i~0) (<= |#NULL.base| 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= |main_~#main__max~0.offset| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 0 ~__return_125~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~__return_125~0)|) (<= |main_~#main__min~0.offset| 0) (<= |old(~__return_125~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |main_~#main__min~0.offset|) (<= main_~__tmp_1~0 0) (<= ~__return_125~0 0) (<= 0 main_~__tmp_1~0)) [2019-09-06 08:35:48,256 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:35:48,256 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:35:48,259 INFO L168 Benchmark]: Toolchain (without parser) took 1053.86 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.8 MB in the beginning and 145.8 MB in the end (delta: -56.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,260 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.23 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 177.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,262 INFO L168 Benchmark]: Boogie Preprocessor took 41.10 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,263 INFO L168 Benchmark]: RCFGBuilder took 306.80 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 158.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,264 INFO L168 Benchmark]: Sifa took 329.11 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 145.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:35:48,267 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 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 373.23 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 89.6 MB in the beginning and 177.2 MB in the end (delta: -87.7 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.10 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.80 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 158.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 329.11 ms. Allocated memory is still 200.8 MB. Free memory was 158.9 MB in the beginning and 145.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 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]: 256, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 37, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 38, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 60, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 41, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 21, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 150, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 46]: 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 45#(and (<= 0 |main_~#main__max~0.offset|) (<= main_~main____CPAchecker_TMP_1~0 0) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__i~0) (<= |#NULL.base| 0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= |main_~#main__max~0.offset| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |#NULL.base|) (<= 0 ~__return_main~0) (<= 0 ~__return_125~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |old(~__return_125~0)|) (<= |main_~#main__min~0.offset| 0) (<= |old(~__return_125~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |main_~#main__min~0.offset|) (<= main_~__tmp_1~0 0) (<= ~__return_125~0 0) (<= 0 main_~__tmp_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...