java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:19:30,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:19:30,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:19:30,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:19:30,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:19:30,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:19:30,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:19:30,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:19:30,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:19:30,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:19:30,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:19:30,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:19:30,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:19:30,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:19:30,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:19:30,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:19:30,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:19:30,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:19:30,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:19:30,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:19:30,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:19:30,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:19:30,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:19:30,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:19:30,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:19:30,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:19:30,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:19:30,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:19:30,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:19:30,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:19:30,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:19:30,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:19:30,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:19:30,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:19:30,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:19:30,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:19:30,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:19:30,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:19:30,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:19:30,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:19:30,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:19:30,547 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 [2019-09-20 20:19:30,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:19:30,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:19:30,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:19:30,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:19:30,567 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:19:30,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:19:30,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:19:30,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:19:30,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:19:30,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:19:30,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:19:30,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:19:30,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:19:30,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:19:30,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:19:30,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:19:30,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:19:30,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:19:30,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:19:30,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:19:30,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:19:30,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:19:30,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:19:30,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:19:30,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:19:30,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:19:30,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:19:30,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:19:30,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer 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 [2019-09-20 20:19:30,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:19:30,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:19:30,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:19:30,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:19:30,619 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:19:30,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-20 20:19:30,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89ad4ddc/dde4597c9b6c4e21afb951a95baf852f/FLAGf5c170cfe [2019-09-20 20:19:31,118 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:19:31,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-20 20:19:31,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89ad4ddc/dde4597c9b6c4e21afb951a95baf852f/FLAGf5c170cfe [2019-09-20 20:19:31,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89ad4ddc/dde4597c9b6c4e21afb951a95baf852f [2019-09-20 20:19:31,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:19:31,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:19:31,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:31,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:19:31,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:19:31,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2686e1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31, skipping insertion in model container [2019-09-20 20:19:31,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,552 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:19:31,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:19:31,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:31,727 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:19:31,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:19:31,756 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:19:31,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31 WrapperNode [2019-09-20 20:19:31,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:19:31,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:19:31,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:19:31,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:19:31,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (1/1) ... [2019-09-20 20:19:31,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:19:31,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:19:31,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:19:31,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:19:31,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:19:31" (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 [2019-09-20 20:19:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:19:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:19:31,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:19:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:19:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:19:32,127 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:19:32,128 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:19:32,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:32 BoogieIcfgContainer [2019-09-20 20:19:32,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:19:32,130 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:19:32,130 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:19:32,130 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:19:32,131 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:19:32" (1/1) ... [2019-09-20 20:19:32,132 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:19:32,155 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:19:32,155 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:19:32,167 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:19:32,177 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:19:32,179 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:19:32,278 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 20:19:32,705 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-20 20:19:32,894 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-20 20:19:33,109 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-20 20:19:33,318 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-20 20:19:33,520 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 59 [2019-09-20 20:19:33,749 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2019-09-20 20:19:34,015 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2019-09-20 20:19:34,367 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 78 [2019-09-20 20:19:34,399 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:19:34,399 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:19:34,401 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))) [2019-09-20 20:19:34,430 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:19:34,431 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:19:34,433 INFO L168 Benchmark]: Toolchain (without parser) took 2901.81 ms. Allocated memory was 133.7 MB in the beginning and 257.9 MB in the end (delta: 124.3 MB). Free memory was 89.8 MB in the beginning and 208.3 MB in the end (delta: -118.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,434 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.63 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 79.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,438 INFO L168 Benchmark]: Boogie Preprocessor took 114.78 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 177.7 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,440 INFO L168 Benchmark]: RCFGBuilder took 255.89 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 165.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,444 INFO L168 Benchmark]: Sifa took 2301.30 ms. Allocated memory was 200.8 MB in the beginning and 257.9 MB in the end (delta: 57.1 MB). Free memory was 165.1 MB in the beginning and 208.3 MB in the end (delta: -43.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:19:34,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 222.63 ms. Allocated memory is still 133.7 MB. Free memory was 89.6 MB in the beginning and 79.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.78 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.7 MB in the beginning and 177.7 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.89 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 165.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Sifa took 2301.30 ms. Allocated memory was 200.8 MB in the beginning and 257.9 MB in the end (delta: 57.1 MB). Free memory was 165.1 MB in the beginning and 208.3 MB in the end (delta: -43.2 MB). Peak memory consumption was 13.9 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]: 2247, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 56, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 59, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 22, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 996, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1077, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2092, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2091, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 44, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 25 - UnprovableResult [Line: 43]: 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 47#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (not (< main_~main__x~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...