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/test13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:21,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:21,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:21,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:21,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:21,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:21,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:21,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:21,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:21,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:21,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:21,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:21,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:21,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:21,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:21,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:21,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:21,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:21,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:21,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:21,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:21,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:21,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:21,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:21,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:29:21,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:21,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:21,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:21,214 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 16:29:21,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:21,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:21,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:21,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:21,242 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:21,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:21,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:21,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:21,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:21,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:21,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:21,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:21,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:21,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:21,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:21,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:21,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:21,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:21,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:21,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:21,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:21,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:21,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:21,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:21,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:21,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:21,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:21,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:21,248 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 16:29:21,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:21,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:21,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:21,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:21,327 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:21,328 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test13.c [2019-09-20 16:29:21,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6cf9c01e/7584b1f87dd04845bc2d164a1479b0b2/FLAG12b95c7bc [2019-09-20 16:29:21,773 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:21,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test13.c [2019-09-20 16:29:21,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6cf9c01e/7584b1f87dd04845bc2d164a1479b0b2/FLAG12b95c7bc [2019-09-20 16:29:22,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6cf9c01e/7584b1f87dd04845bc2d164a1479b0b2 [2019-09-20 16:29:22,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:22,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:22,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:22,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:22,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:22,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682ee9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22, skipping insertion in model container [2019-09-20 16:29:22,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,180 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:22,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:22,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:22,350 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:22,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:22,382 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:22,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22 WrapperNode [2019-09-20 16:29:22,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:22,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:22,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:22,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:22,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:22,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:22,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:22,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:22,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22" (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 16:29:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 16:29:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:22,768 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:22,768 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:22,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:22 BoogieIcfgContainer [2019-09-20 16:29:22,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:22,771 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:22,771 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:22,771 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:22,773 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,773 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 16:29:22,817 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:22,817 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:22,831 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:22,846 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:22,850 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:23,090 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 16:29:23,292 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 16:29:23,366 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 16:29:23,372 INFO L199 IcfgInterpreter]: Interpreting procedure check with input of size 30 for LOIs [2019-09-20 16:29:23,454 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:23,454 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:23,456 INFO L193 IcfgInterpreter]: Reachable states at location checkErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 12#(and (<= |#NULL.base| 0) (<= 0 check_~a.offset) (<= 0 check_~b.offset) (<= 0 |#NULL.base|) (<= |check_#in~b.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= check_~a.offset 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= |check_#in~a.offset| 0) (<= 0 |~#b~0.offset|) (<= 0 ~pb~0.offset) (<= 0 |check_#in~b.offset|) (<= check_~b.offset 0) (<= 0 |check_#in~a.offset|) (<= |~#a~0.offset| 0) (<= |~#b~0.offset| 0)) [2019-09-20 16:29:23,471 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:23,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:23,473 INFO L168 Benchmark]: Toolchain (without parser) took 1307.20 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 109.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,474 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.12 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,476 INFO L168 Benchmark]: Boogie Preprocessor took 113.12 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 176.6 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,477 INFO L168 Benchmark]: RCFGBuilder took 273.15 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 161.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,478 INFO L168 Benchmark]: Sifa took 700.64 ms. Allocated memory is still 199.8 MB. Free memory was 161.5 MB in the beginning and 109.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:23,482 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 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 217.12 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.12 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 176.6 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.15 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 161.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Sifa took 700.64 ms. Allocated memory is still 199.8 MB. Free memory was 161.5 MB in the beginning and 109.6 MB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 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]: 637, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 390, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 8, TOOLS_QUANTIFIERELIM_TIME[ms]: 400, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 388, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 137, 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: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 457, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 457, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 35, DAG_COMPRESSION_RETAINED_NODES: 25 - UnprovableResult [Line: 10]: 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 12#(and (<= |#NULL.base| 0) (<= 0 check_~a.offset) (<= 0 check_~b.offset) (<= 0 |#NULL.base|) (<= |check_#in~b.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= check_~a.offset 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= |check_#in~a.offset| 0) (<= 0 |~#b~0.offset|) (<= 0 ~pb~0.offset) (<= 0 |check_#in~b.offset|) (<= check_~b.offset 0) (<= 0 |check_#in~a.offset|) (<= |~#a~0.offset| 0) (<= |~#b~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...