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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-examples/standard_copy4_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:54:21,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:54:21,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:54:21,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:54:21,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:54:21,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:54:21,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:54:21,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:54:21,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:54:21,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:54:21,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:54:21,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:54:21,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:54:21,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:54:21,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:54:21,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:54:21,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:54:21,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:54:21,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:54:21,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:54:21,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:54:21,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:54:21,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:54:21,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:54:21,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:54:21,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:54:21,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:54:21,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:54:21,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:54:21,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:54:21,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:54:21,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:54:21,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:54:21,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:54:21,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:54:21,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:54:21,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:54:21,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:54:21,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:54:21,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:54:21,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:54:21,222 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 [2019-10-15 04:54:21,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:54:21,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:54:21,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:54:21,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:54:21,261 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:54:21,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:54:21,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:54:21,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:54:21,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:54:21,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:54:21,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:54:21,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:54:21,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:54:21,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:54:21,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:54:21,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:54:21,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:54:21,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:54:21,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:54:21,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:54:21,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:54:21,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:54:21,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:54:21,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:54:21,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:54:21,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:54:21,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:54:21,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:54:21,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 04:54:21,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:54:21,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:54:21,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:54:21,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:54:21,601 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:54:21,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy4_ground-1.i [2019-10-15 04:54:21,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60095ca9/e4867c0f667b467da72d43c0379d289b/FLAG40b5a7c79 [2019-10-15 04:54:22,157 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:54:22,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy4_ground-1.i [2019-10-15 04:54:22,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60095ca9/e4867c0f667b467da72d43c0379d289b/FLAG40b5a7c79 [2019-10-15 04:54:22,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60095ca9/e4867c0f667b467da72d43c0379d289b [2019-10-15 04:54:22,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:54:22,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:54:22,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:22,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:54:22,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:54:22,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663de0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22, skipping insertion in model container [2019-10-15 04:54:22,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:54:22,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:54:22,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:22,767 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:54:22,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:22,808 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:54:22,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22 WrapperNode [2019-10-15 04:54:22,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:22,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:54:22,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:54:22,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:54:22,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:54:22,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:54:22,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:54:22,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:54:22,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:22" (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 [2019-10-15 04:54:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:54:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:54:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:54:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:54:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:54:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:54:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:54:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:54:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:54:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:54:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:54:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:54:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:54:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:54:23,459 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:54:23,459 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 04:54:23,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:23 BoogieIcfgContainer [2019-10-15 04:54:23,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:54:23,463 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:54:23,463 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:54:23,464 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:54:23,465 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:23" (1/1) ... [2019-10-15 04:54:23,466 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 04:54:23,500 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:54:23,500 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:54:23,513 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:54:23,523 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:54:23,527 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:54:23,704 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 04:54:24,231 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-10-15 04:54:24,688 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-10-15 04:54:25,326 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2019-10-15 04:54:25,332 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:54:25,346 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:54:25,346 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:54:25,348 INFO L168 Benchmark]: Toolchain (without parser) took 2821.91 ms. Allocated memory was 146.3 MB in the beginning and 234.4 MB in the end (delta: 88.1 MB). Free memory was 104.7 MB in the beginning and 109.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,349 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.97 ms. Allocated memory is still 146.3 MB. Free memory was 104.5 MB in the beginning and 93.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,351 INFO L168 Benchmark]: Boogie Preprocessor took 118.68 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 181.0 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,352 INFO L168 Benchmark]: RCFGBuilder took 534.39 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 155.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,353 INFO L168 Benchmark]: Sifa took 1883.13 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 155.5 MB in the beginning and 109.4 MB in the end (delta: 46.1 MB). Peak memory consumption was 77.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:25,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.97 ms. Allocated memory is still 146.3 MB. Free memory was 104.5 MB in the beginning and 93.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.68 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 93.7 MB in the beginning and 181.0 MB in the end (delta: -87.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 534.39 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 155.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Sifa took 1883.13 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 155.5 MB in the beginning and 109.4 MB in the end (delta: 46.1 MB). Peak memory consumption was 77.0 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]: 1832, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 49, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 1174, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 42, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 1193, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 244, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 67, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 214, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 241, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 56, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1600, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1599, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 123, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 123, 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: 78, DAG_COMPRESSION_RETAINED_NODES: 44 - UnprovableResult [Line: 2]: 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 238#(and (exists ((|v_main_~#a1~0.base_BEFORE_CALL_4| Int) (|v_main_~#a5~0.base_BEFORE_CALL_4| Int) (v_main_~x~0_BEFORE_CALL_4 Int) (|v_main_~#a5~0.offset_BEFORE_CALL_4| Int) (|v_main_~#a1~0.offset_BEFORE_CALL_4| Int)) (or (and (not (= (select (select |#memory_int| |v_main_~#a5~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) |v_main_~#a5~0.offset_BEFORE_CALL_4|)) (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) |v_main_~#a1~0.offset_BEFORE_CALL_4|)))) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~x~0_BEFORE_CALL_4 100000) (<= 0 v_main_~x~0_BEFORE_CALL_4)) (and (= |__VERIFIER_assert_#in~cond| 1) (< v_main_~x~0_BEFORE_CALL_4 100000) (= (select (select |#memory_int| |v_main_~#a5~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) |v_main_~#a5~0.offset_BEFORE_CALL_4|)) (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_4|) (+ (* v_main_~x~0_BEFORE_CALL_4 4) |v_main_~#a1~0.offset_BEFORE_CALL_4|))) (<= 0 v_main_~x~0_BEFORE_CALL_4)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...