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_copy2_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:54:20,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:54:20,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:54:20,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:54:20,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:54:20,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:54:20,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:54:20,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:54:20,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:54:20,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:54:20,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:54:20,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:54:20,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:54:20,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:54:20,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:54:20,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:54:20,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:54:20,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:54:20,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:54:20,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:54:20,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:54:20,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:54:20,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:54:20,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:54:20,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:54:20,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:54:20,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:54:20,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:54:20,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:54:20,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:54:20,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:54:20,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:54:20,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:54:20,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:54:20,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:54:20,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:54:20,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:54:20,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:54:20,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:54:20,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:54:20,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:54:20,357 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 04:54:20,377 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:54:20,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:54:20,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:54:20,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:54:20,380 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:54:20,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:54:20,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:54:20,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:54:20,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:54:20,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:54:20,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:54:20,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:54:20,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:54:20,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:54:20,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:54:20,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:54:20,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:54:20,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:54:20,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:54:20,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:54:20,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:54:20,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:54:20,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:54:20,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:54:20,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:54:20,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:54:20,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:54:20,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:54:20,386 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 04:54:20,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:54:20,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:54:20,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:54:20,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:54:20,682 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:54:20,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy2_ground-1.i [2019-10-15 04:54:20,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a412dd/486fe70b3d954f9ebafbe98df48fd665/FLAGd8f2502af [2019-10-15 04:54:21,199 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:54:21,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy2_ground-1.i [2019-10-15 04:54:21,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a412dd/486fe70b3d954f9ebafbe98df48fd665/FLAGd8f2502af [2019-10-15 04:54:21,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/562a412dd/486fe70b3d954f9ebafbe98df48fd665 [2019-10-15 04:54:21,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:54:21,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:54:21,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:21,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:54:21,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:54:21,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:21,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3534b1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21, skipping insertion in model container [2019-10-15 04:54:21,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:21,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:54:21,649 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:54:21,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:21,888 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:54:21,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:54:21,934 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:54:21,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21 WrapperNode [2019-10-15 04:54:21,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:54:21,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:54:21,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:54:21,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:54:22,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (1/1) ... [2019-10-15 04:54:22,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:54:22,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:54:22,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:54:22,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:54:22,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:54:21" (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 04:54:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:54:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:54:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:54:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:54:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:54:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:54:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:54:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:54:22,588 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:54:22,588 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 04:54:22,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:22 BoogieIcfgContainer [2019-10-15 04:54:22,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:54:22,591 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:54:22,591 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:54:22,591 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:54:22,592 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:54:22" (1/1) ... [2019-10-15 04:54:22,593 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 04:54:22,614 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:54:22,615 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:54:22,622 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:54:22,629 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:54:22,631 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:54:22,811 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 04:54:23,395 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-10-15 04:54:23,762 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-10-15 04:54:24,084 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 70 for LOIs [2019-10-15 04:54:24,089 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:54:24,104 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:54:24,105 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:54:24,112 INFO L168 Benchmark]: Toolchain (without parser) took 2496.87 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 102.0 MB in the beginning and 163.1 MB in the end (delta: -61.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,113 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.52 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 92.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,115 INFO L168 Benchmark]: Boogie Preprocessor took 147.72 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,116 INFO L168 Benchmark]: RCFGBuilder took 506.78 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 159.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,123 INFO L168 Benchmark]: Sifa took 1514.58 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 158.3 MB in the beginning and 163.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:54:24,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.52 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 92.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 147.72 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 506.78 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 159.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Sifa took 1514.58 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 158.3 MB in the beginning and 163.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 27.1 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]: 1476, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 42, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 802, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 91, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME[ms]: 868, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 215, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 54, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 193, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 248, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1200, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1199, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 141, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 140, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 88, DAG_COMPRESSION_RETAINED_NODES: 41 - 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 180#(and (exists ((v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_18 Int) (v_prenex_29 Int) (v_prenex_17 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_prenex_21 Int) (|v_main_~#a3~0.offset_BEFORE_CALL_5| Int) (v_prenex_20 Int) (|v_main_~#a1~0.base_BEFORE_CALL_5| Int) (|v_main_~#a1~0.offset_BEFORE_CALL_5| Int) (v_main_~x~0_BEFORE_CALL_5 Int) (|v_main_~#a3~0.base_BEFORE_CALL_5| Int) (v_prenex_19 Int)) (or (and (<= v_main_~x~0_BEFORE_CALL_5 0) (<= 1 v_main_~x~0_BEFORE_CALL_5) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_23) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_24)) (select (select |#memory_int| v_prenex_21) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_22)))) (< v_main_~x~0_BEFORE_CALL_5 100000) (<= 0 v_main_~x~0_BEFORE_CALL_5)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a3~0.base_BEFORE_CALL_5|) |v_main_~#a3~0.offset_BEFORE_CALL_5|) (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_5|) |v_main_~#a1~0.offset_BEFORE_CALL_5|)))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_17) v_prenex_18) (select (select |#memory_int| v_prenex_19) v_prenex_20))) (and (= |__VERIFIER_assert_#in~cond| 0) (<= v_prenex_28 100000) (< v_prenex_28 100000) (<= 1 v_prenex_28) (not (= (select (select |#memory_int| v_prenex_26) (+ (* v_prenex_28 4) v_prenex_27)) (select (select |#memory_int| v_prenex_29) (+ (* v_prenex_28 4) v_prenex_25))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_26) (+ (* v_prenex_28 4) v_prenex_27)) (select (select |#memory_int| v_prenex_29) (+ (* v_prenex_28 4) v_prenex_25))) (<= v_prenex_28 100000) (< v_prenex_28 100000) (<= 1 v_prenex_28)) (and (<= v_main_~x~0_BEFORE_CALL_5 0) (<= 1 v_main_~x~0_BEFORE_CALL_5) (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_23) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_24)) (select (select |#memory_int| v_prenex_21) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_22))) (< v_main_~x~0_BEFORE_CALL_5 100000) (<= 0 v_main_~x~0_BEFORE_CALL_5)))) (<= __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...