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/test16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:21,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:21,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:21,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:21,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:21,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:21,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:21,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:21,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:21,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:21,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:21,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:21,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:21,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:21,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:21,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:21,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:21,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:21,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:21,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:21,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:21,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:21,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:21,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:21,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:29:21,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:21,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:21,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:21,625 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 16:29:21,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:21,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:21,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:21,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:21,649 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:21,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:21,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:21,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:21,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:21,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:21,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:21,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:21,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:21,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:21,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:21,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:21,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:21,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:21,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:21,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:21,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:21,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:21,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:21,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:21,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:21,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:21,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:21,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:21,658 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 16:29:21,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:21,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:21,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:21,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:21,725 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:21,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16.c [2019-09-20 16:29:21,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e910ec32/479d8a01439841bbbd19e90a6f967e8d/FLAG3b169e147 [2019-09-20 16:29:22,239 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:22,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16.c [2019-09-20 16:29:22,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e910ec32/479d8a01439841bbbd19e90a6f967e8d/FLAG3b169e147 [2019-09-20 16:29:22,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e910ec32/479d8a01439841bbbd19e90a6f967e8d [2019-09-20 16:29:22,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:22,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:22,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:22,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:22,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:22,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f7f23f 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 16:29:22,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:22" (1/1) ... [2019-09-20 16:29:22,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:22,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:22,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:22,842 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:22,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:22,868 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:22,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:22 WrapperNode [2019-09-20 16:29:22,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:22,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:22,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:22,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:22,963 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 16:29:22,964 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 16:29:22,972 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 16:29:22,974 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 16:29:22,983 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 16:29:22,985 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 16:29:22,987 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 16:29:22,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:22,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:22,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:22,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:22,996 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 16:29:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-20 16:29:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-20 16:29:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:29:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:23,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:23,283 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:29:23,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:23 BoogieIcfgContainer [2019-09-20 16:29:23,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:23,294 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:23,294 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:23,295 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:23,296 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:23" (1/1) ... [2019-09-20 16:29:23,297 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 16:29:23,356 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:23,357 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:23,365 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:23,374 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:23,376 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:23,646 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 16:29:23,842 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 16:29:23,935 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 37 for LOIs [2019-09-20 16:29:24,065 INFO L199 IcfgInterpreter]: Interpreting procedure equal with input of size 40 for LOIs [2019-09-20 16:29:24,147 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:24,148 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:24,150 INFO L193 IcfgInterpreter]: Reachable states at location equalErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 13#(and (<= |equal_#in~b.offset| 0) (<= equal_~b.offset 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= 0 |~#b~0.offset|) (<= 0 equal_~a.offset) (<= 0 equal_~b.offset) (<= 0 ~pb~0.offset) (<= equal_~a.offset 0) (<= 0 |equal_#in~b.offset|) (<= |equal_#in~a.offset| 0) (<= |~#a~0.offset| 0) (<= 0 |equal_#in~a.offset|) (<= |~#b~0.offset| 0)) [2019-09-20 16:29:24,167 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:24,167 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:24,169 INFO L168 Benchmark]: Toolchain (without parser) took 1522.73 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 94.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,170 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.82 ms. Allocated memory is still 131.1 MB. Free memory was 85.2 MB in the beginning and 75.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,172 INFO L168 Benchmark]: Boogie Preprocessor took 124.68 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 175.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,173 INFO L168 Benchmark]: RCFGBuilder took 298.61 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 159.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,173 INFO L168 Benchmark]: Sifa took 873.23 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 94.1 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:24,177 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 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 222.82 ms. Allocated memory is still 131.1 MB. Free memory was 85.2 MB in the beginning and 75.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.68 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.6 MB in the beginning and 175.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.61 ms. Allocated memory is still 198.7 MB. Free memory was 175.0 MB in the beginning and 159.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Sifa took 873.23 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 94.1 MB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 794, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 5, TOOLS_POST_TIME[ms]: 417, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 558, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 409, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 8, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 143, 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]: 487, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 486, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 3, 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 13#(and (<= |equal_#in~b.offset| 0) (<= equal_~b.offset 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#a~0.offset|) (<= 0 ~pa~0.offset) (<= ~pa~0.offset 0) (<= ~pb~0.offset 0) (<= 0 |~#b~0.offset|) (<= 0 equal_~a.offset) (<= 0 equal_~b.offset) (<= 0 ~pb~0.offset) (<= equal_~a.offset 0) (<= 0 |equal_#in~b.offset|) (<= |equal_#in~a.offset| 0) (<= |~#a~0.offset| 0) (<= 0 |equal_#in~a.offset|) (<= |~#b~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...