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 [2019-09-21 08:28:35,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:28:35,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:28:35,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:28:35,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:28:35,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:28:35,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:28:35,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:28:35,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:28:35,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:28:35,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:28:35,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:28:35,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:28:35,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:28:35,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:28:35,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:28:35,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:28:35,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:28:35,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:28:35,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:28:35,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:28:35,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:28:35,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:28:35,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:28:35,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 08:28:35,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:28:35,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:28:35,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:28:35,606 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 [2019-09-21 08:28:35,627 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:28:35,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:28:35,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:28:35,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:28:35,630 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:28:35,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:28:35,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:28:35,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:28:35,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:28:35,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:28:35,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:28:35,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:28:35,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:28:35,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:28:35,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:28:35,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:28:35,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:28:35,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:28:35,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:28:35,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:28:35,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:28:35,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:35,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:28:35,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:28:35,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:28:35,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:28:35,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:28:35,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:28:35,636 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 [2019-09-21 08:28:35,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:28:35,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:28:35,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:28:35,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:28:35,715 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:28:35,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-21 08:28:35,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa64f8aae/7e186cad0b3143c3afb8d4bf62af313f/FLAG4858466d7 [2019-09-21 08:28:36,252 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:28:36,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-21 08:28:36,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa64f8aae/7e186cad0b3143c3afb8d4bf62af313f/FLAG4858466d7 [2019-09-21 08:28:36,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa64f8aae/7e186cad0b3143c3afb8d4bf62af313f [2019-09-21 08:28:36,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:28:36,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:28:36,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:36,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:28:36,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:28:36,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d84dd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36, skipping insertion in model container [2019-09-21 08:28:36,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:28:36,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:28:36,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:36,828 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:28:36,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:36,957 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:28:36,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36 WrapperNode [2019-09-21 08:28:36,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:36,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:28:36,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:28:36,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:28:36,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:36,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (1/1) ... [2019-09-21 08:28:37,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:28:37,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:28:37,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:28:37,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:28:37,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:36" (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 [2019-09-21 08:28:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:28:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:28:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 08:28:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-21 08:28:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 08:28:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:28:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:28:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:28:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 08:28:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 08:28:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:28:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-21 08:28:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 08:28:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:28:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:28:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:28:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:28:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:28:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:28:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:28:37,538 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:28:37,538 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:28:37,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:37 BoogieIcfgContainer [2019-09-21 08:28:37,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:28:37,540 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:28:37,540 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:28:37,540 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:28:37,541 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:37" (1/1) ... [2019-09-21 08:28:37,542 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 [2019-09-21 08:28:37,563 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:28:37,564 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:28:37,571 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:28:37,578 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:28:37,580 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:28:37,897 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-21 08:28:38,163 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-21 08:28:38,457 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:28:38,457 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:28:38,459 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))) [2019-09-21 08:28:38,471 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:28:38,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:28:38,473 INFO L168 Benchmark]: Toolchain (without parser) took 1873.61 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 83.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,474 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.28 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 174.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,476 INFO L168 Benchmark]: Boogie Preprocessor took 48.36 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,477 INFO L168 Benchmark]: RCFGBuilder took 531.53 ms. Allocated memory is still 198.2 MB. Free memory was 172.5 MB in the beginning and 148.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,478 INFO L168 Benchmark]: Sifa took 932.10 ms. Allocated memory is still 198.2 MB. Free memory was 148.7 MB in the beginning and 83.9 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:28:38,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 130.5 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.28 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.3 MB in the beginning and 174.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.36 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 172.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 531.53 ms. Allocated memory is still 198.2 MB. Free memory was 172.5 MB in the beginning and 148.7 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Sifa took 932.10 ms. Allocated memory is still 198.2 MB. Free memory was 148.7 MB in the beginning and 83.9 MB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 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]: 896, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 557, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME[ms]: 575, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 288, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 130, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 51, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 115, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 115, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 617, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 617, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, 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...