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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:19:57,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:19:57,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:19:57,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:19:57,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:19:57,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:19:57,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:19:57,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:19:57,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:19:57,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:19:57,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:19:57,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:19:57,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:19:57,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:19:57,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:19:57,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:19:57,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:19:57,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:19:57,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:19:57,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:19:57,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:19:57,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:19:57,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:19:57,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:19:57,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:19:57,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:19:57,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:19:57,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:19:57,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:19:57,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:19:57,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:19:57,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:19:57,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:19:57,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:19:57,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:19:57,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:19:57,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:19:57,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:19:57,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:19:57,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:19:57,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:19:57,401 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 [2019-09-18 11:19:57,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:19:57,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:19:57,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:19:57,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:19:57,417 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:19:57,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:19:57,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:19:57,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:19:57,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:19:57,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:19:57,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:19:57,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:19:57,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:19:57,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:19:57,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:19:57,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:19:57,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:19:57,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:19:57,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:19:57,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:19:57,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:19:57,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:19:57,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:19:57,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:19:57,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:19:57,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:19:57,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:19:57,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:19:57,422 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 11:19:57,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:19:57,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:19:57,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:19:57,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:19:57,469 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:19:57,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-18 11:19:57,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d667de7b6/169adec5ff6d4f938eae1b048bcea247/FLAG048e18647 [2019-09-18 11:19:57,973 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:19:57,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-18 11:19:57,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d667de7b6/169adec5ff6d4f938eae1b048bcea247/FLAG048e18647 [2019-09-18 11:19:58,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d667de7b6/169adec5ff6d4f938eae1b048bcea247 [2019-09-18 11:19:58,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:19:58,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:19:58,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:19:58,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:19:58,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:19:58,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353ddef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58, skipping insertion in model container [2019-09-18 11:19:58,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:19:58,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:19:58,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:19:58,591 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:19:58,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:19:58,616 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:19:58,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58 WrapperNode [2019-09-18 11:19:58,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:19:58,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:19:58,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:19:58,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:19:58,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:19:58,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:19:58,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:19:58,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:19:58,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:58" (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 [2019-09-18 11:19:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:19:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:19:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:19:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:19:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:19:58,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:19:58,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:19:58,971 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 11:19:58,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:58 BoogieIcfgContainer [2019-09-18 11:19:58,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:19:58,974 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:19:58,974 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:19:58,975 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:19:58,976 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:58" (1/1) ... [2019-09-18 11:19:58,977 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:19:59,010 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:19:59,010 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:19:59,021 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:19:59,046 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:19:59,053 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:19:59,147 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 11:19:59,752 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2019-09-18 11:20:00,829 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:20:00,842 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:20:00,842 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:20:00,844 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 235#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:20:00,863 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:20:00,864 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:20:00,867 INFO L168 Benchmark]: Toolchain (without parser) took 2507.24 ms. Allocated memory was 131.6 MB in the beginning and 220.7 MB in the end (delta: 89.1 MB). Free memory was 87.3 MB in the beginning and 104.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-09-18 11:20:00,868 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:20:00,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.28 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-18 11:20:00,871 INFO L168 Benchmark]: Boogie Preprocessor took 121.48 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 174.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:20:00,872 INFO L168 Benchmark]: RCFGBuilder took 234.22 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 162.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-18 11:20:00,873 INFO L168 Benchmark]: Sifa took 1889.86 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 162.5 MB in the beginning and 104.8 MB in the end (delta: 57.7 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:20:00,879 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 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.28 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.48 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 174.6 MB in the end (delta: -96.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.22 ms. Allocated memory is still 198.7 MB. Free memory was 174.6 MB in the beginning and 162.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Sifa took 1889.86 ms. Allocated memory was 198.7 MB in the beginning and 220.7 MB in the end (delta: 22.0 MB). Free memory was 162.5 MB in the beginning and 104.8 MB in the end (delta: 57.7 MB). Peak memory consumption was 79.8 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]: 1835, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 136, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 97, TOOLS_POST_TIME[ms]: 66, TOOLS_POST_CALL_APPLICATIONS: 33, TOOLS_POST_CALL_TIME[ms]: 152, TOOLS_POST_RETURN_APPLICATIONS: 30, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 160, TOOLS_QUANTIFIERELIM_TIME[ms]: 216, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 148, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 649, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 731, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1526, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1525, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 30, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 73, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 233, DAG_COMPRESSION_RETAINED_NODES: 95 - UnprovableResult [Line: 5]: 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 235#(and (= 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...