/usr/bin/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-tiling/rew.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:16:22,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:16:22,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:16:22,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:16:22,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:16:22,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:16:22,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:16:22,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:16:22,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:16:22,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:16:22,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:16:22,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:16:22,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:16:22,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:16:22,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:16:22,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:16:22,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:16:22,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:16:22,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:16:22,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:16:22,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:16:22,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:16:22,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:16:22,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:16:22,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:16:22,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:16:22,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:16:22,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:16:22,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:16:22,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:16:22,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:16:22,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:16:22,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:16:22,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:16:22,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:16:22,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:16:22,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:16:22,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:16:22,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:16:22,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:16:22,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:16:22,265 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 [2019-11-07 07:16:22,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:16:22,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:16:22,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:16:22,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:16:22,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:16:22,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:16:22,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:16:22,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:16:22,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:16:22,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:16:22,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:16:22,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:16:22,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:16:22,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:16:22,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:16:22,303 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:16:22,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:16:22,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:16:22,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:16:22,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:16:22,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:16:22,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:16:22,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:16:22,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:16:22,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:16:22,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:16:22,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:16:22,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:16:22,306 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 [2019-11-07 07:16:22,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:16:22,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:16:22,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:16:22,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:16:22,603 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:16:22,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rew.c [2019-11-07 07:16:22,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a415f2b/8011e49d89714fdaa5f22008b3788a0b/FLAG9a7d61838 [2019-11-07 07:16:23,130 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:16:23,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rew.c [2019-11-07 07:16:23,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a415f2b/8011e49d89714fdaa5f22008b3788a0b/FLAG9a7d61838 [2019-11-07 07:16:23,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a415f2b/8011e49d89714fdaa5f22008b3788a0b [2019-11-07 07:16:23,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:16:23,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:16:23,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:16:23,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:16:23,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:16:23,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb01410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23, skipping insertion in model container [2019-11-07 07:16:23,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:16:23,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:16:23,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:16:23,814 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:16:23,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:16:23,859 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:16:23,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23 WrapperNode [2019-11-07 07:16:23,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:16:23,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:16:23,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:16:23,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:16:23,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (1/1) ... [2019-11-07 07:16:23,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:16:23,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:16:23,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:16:23,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:16:23,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:16:23" (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 [2019-11-07 07:16:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:16:24,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:16:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:16:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:16:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:16:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:16:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:16:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:16:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:16:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:16:24,403 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:16:24,403 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 07:16:24,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:24 BoogieIcfgContainer [2019-11-07 07:16:24,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:16:24,405 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:16:24,405 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:16:24,406 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:16:24,407 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:16:24" (1/1) ... [2019-11-07 07:16:24,407 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 [2019-11-07 07:16:24,427 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:16:24,427 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:16:24,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:16:24,442 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:16:24,443 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:16:24,585 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-11-07 07:16:25,531 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 101 for LOIs [2019-11-07 07:16:25,534 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:16:25,556 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:16:25,557 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:16:25,561 INFO L168 Benchmark]: Toolchain (without parser) took 2034.35 ms. Allocated memory was 138.4 MB in the beginning and 236.5 MB in the end (delta: 98.0 MB). Free memory was 101.6 MB in the beginning and 165.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,563 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.47 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,566 INFO L168 Benchmark]: Boogie Preprocessor took 134.78 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 91.5 MB in the beginning and 181.6 MB in the end (delta: -90.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,573 INFO L168 Benchmark]: RCFGBuilder took 408.56 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 162.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,575 INFO L168 Benchmark]: Sifa took 1151.68 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 162.0 MB in the beginning and 165.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:16:25,586 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 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 335.47 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.78 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 91.5 MB in the beginning and 181.6 MB in the end (delta: -90.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.56 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 162.0 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Sifa took 1151.68 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 162.0 MB in the beginning and 165.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 29.6 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]: 1108, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 259, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 117, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 36, TOOLS_QUANTIFIERELIM_TIME[ms]: 361, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 105, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 63, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 549, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 805, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 804, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 99, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 99, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 76, DAG_COMPRESSION_RETAINED_NODES: 40 - UnprovableResult [Line: 3]: 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 72#(and (exists ((v_prenex_15 Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_main_~i~0_BEFORE_CALL_5 Int) (v_prenex_8 Int) (v_prenex_9 Int) (v_prenex_6 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_prenex_3 Int) (v_main_~a~0.offset_BEFORE_CALL_5 Int) (v_main_~a~0.base_BEFORE_CALL_5 Int)) (or (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= v_prenex_10 0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< (select (select |#memory_int| v_prenex_11) v_prenex_10) 2) (<= 0 v_prenex_10) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= 0 v_main_~a~0.offset_BEFORE_CALL_5) (<= ~MAX~0 100000) (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= v_main_~a~0.offset_BEFORE_CALL_5 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 2 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) (+ v_main_~a~0.offset_BEFORE_CALL_5 (* v_main_~i~0_BEFORE_CALL_5 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (<= 1 v_main_~i~0_BEFORE_CALL_5) (<= v_main_~i~0_BEFORE_CALL_5 100000) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (< v_prenex_13 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (< (select (select |#memory_int| v_prenex_15) (+ v_prenex_14 (* v_prenex_13 4))) 2) (<= 0 v_prenex_14) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= v_prenex_14 0) (<= v_prenex_13 100000) (= |#NULL.offset| 0) (<= 1 v_prenex_13) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 v_prenex_5) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< 0 ~SIZE~0) (= |#NULL.offset| 0) (<= 2 (select (select |#memory_int| v_prenex_6) v_prenex_5)) (<= v_prenex_5 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (< (select (select |#memory_int| v_prenex_9) (+ v_prenex_8 (* v_prenex_12 4))) 2) (<= ~SIZE~0 100000) (<= v_prenex_8 0) (= |__VERIFIER_assert_#in~cond| 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 v_prenex_12) (< v_prenex_12 ~SIZE~0) (<= 0 v_prenex_8) (<= 1 v_prenex_12) (<= v_prenex_12 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)) (and (<= ~MAX~0 100000) (= |#NULL.base| 0) (<= 0 v_prenex_7) (<= v_prenex_7 0) (= |__VERIFIER_assert_#in~cond| 1) (<= ~SIZE~0 100000) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |#NULL.base|) (= ~MAX~0 100000) (<= 2 (select (select |#memory_int| v_prenex_4) (+ v_prenex_3 (* v_prenex_7 4)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 v_prenex_7) (<= 0 v_prenex_3) (< v_prenex_7 ~SIZE~0) (<= v_prenex_3 0) (= |#NULL.offset| 0) (<= 100000 ~MAX~0)))) (= 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...