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/nla-digbench/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:27:18,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:27:18,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:27:18,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:27:18,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:27:18,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:27:18,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:27:18,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:27:18,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:27:18,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:27:18,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:27:18,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:27:18,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:27:18,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:27:18,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:27:18,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:27:18,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:27:18,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:27:18,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:27:18,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:27:18,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:27:18,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:27:18,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:27:18,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:27:18,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:27:18,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:27:18,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:27:18,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:27:18,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:27:18,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:27:18,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:27:18,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:27:18,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:27:18,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:27:18,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:27:18,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:27:18,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:27:18,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:27:18,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:27:18,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:27:18,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:27:18,915 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 11:27:18,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:27:18,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:27:18,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:27:18,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:27:18,930 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:27:18,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:27:18,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:27:18,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:27:18,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:27:18,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:27:18,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:27:18,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:27:18,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:27:18,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:27:18,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:27:18,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:27:18,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:27:18,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:27:18,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:27:18,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:27:18,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:27:18,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:27:18,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:27:18,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:27:18,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:27:18,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:27:18,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:27:18,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:27:18,935 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 11:27:18,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:27:18,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:27:19,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:27:19,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:27:19,004 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:27:19,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-18 11:27:19,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b109d3a19/39b425ce18ec411f935f79705e97b8c5/FLAGbd1624225 [2019-09-18 11:27:19,466 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:27:19,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-18 11:27:19,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b109d3a19/39b425ce18ec411f935f79705e97b8c5/FLAGbd1624225 [2019-09-18 11:27:19,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b109d3a19/39b425ce18ec411f935f79705e97b8c5 [2019-09-18 11:27:19,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:27:19,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:27:19,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:27:19,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:27:19,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:27:19,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:19" (1/1) ... [2019-09-18 11:27:19,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de0b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:19, skipping insertion in model container [2019-09-18 11:27:19,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:27:19" (1/1) ... [2019-09-18 11:27:19,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:27:19,881 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:27:20,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:27:20,047 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:27:20,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:27:20,082 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:27:20,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20 WrapperNode [2019-09-18 11:27:20,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:27:20,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:27:20,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:27:20,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:27:20,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:27:20,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:27:20,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:27:20,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:27:20,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:27:20" (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 11:27:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:27:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:27:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:27:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:27:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:27:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:27:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:27:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:27:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:27:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:27:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:27:20,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:27:20,512 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 11:27:20,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:20 BoogieIcfgContainer [2019-09-18 11:27:20,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:27:20,514 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:27:20,515 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:27:20,515 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:27:20,516 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:27:20" (1/1) ... [2019-09-18 11:27:20,516 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 11:27:20,538 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:27:20,538 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:27:20,546 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:27:20,554 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:27:20,556 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:27:20,610 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 11:27:21,081 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2019-09-18 11:27:21,356 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2019-09-18 11:27:27,173 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-18 11:27:27,929 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2019-09-18 11:27:28,114 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-18 11:27:28,939 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-18 11:27:33,108 WARN L191 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-09-18 11:27:35,127 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-18 11:27:37,349 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2019-09-18 11:27:40,697 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 11:27:49,184 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-18 11:28:08,791 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 11:28:25,475 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-18 11:28:29,595 WARN L191 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 48 [2019-09-18 11:28:29,634 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:28:29,646 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:28:29,647 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:28:29,649 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 383#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:28:29,659 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:28:29,660 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:28:29,662 INFO L168 Benchmark]: Toolchain (without parser) took 69813.56 ms. Allocated memory was 132.6 MB in the beginning and 295.7 MB in the end (delta: 163.1 MB). Free memory was 87.4 MB in the beginning and 232.5 MB in the end (delta: -145.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,663 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.50 ms. Allocated memory is still 132.6 MB. Free memory was 87.0 MB in the beginning and 77.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,665 INFO L168 Benchmark]: Boogie Preprocessor took 130.04 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 176.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,670 INFO L168 Benchmark]: RCFGBuilder took 300.49 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,671 INFO L168 Benchmark]: Sifa took 69145.27 ms. Allocated memory was 199.8 MB in the beginning and 295.7 MB in the end (delta: 95.9 MB). Free memory was 161.2 MB in the beginning and 232.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:28:29,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.50 ms. Allocated memory is still 132.6 MB. Free memory was 87.0 MB in the beginning and 77.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.04 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 176.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.49 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 69145.27 ms. Allocated memory was 199.8 MB in the beginning and 295.7 MB in the end (delta: 95.9 MB). Free memory was 161.2 MB in the beginning and 232.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 24.7 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]: 69111, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 205, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 124, TOOLS_POST_TIME[ms]: 143, TOOLS_POST_CALL_APPLICATIONS: 77, TOOLS_POST_CALL_TIME[ms]: 35852, TOOLS_POST_RETURN_APPLICATIONS: 69, TOOLS_POST_RETURN_TIME[ms]: 176, TOOLS_QUANTIFIERELIM_APPLICATIONS: 266, TOOLS_QUANTIFIERELIM_TIME[ms]: 36050, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 8436, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 219, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 20090, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 7480, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 5191, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME[ms]: 45, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 59030, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 59029, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 69, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 55, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 386, DAG_COMPRESSION_RETAINED_NODES: 117 - UnprovableResult [Line: 12]: 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 383#(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...