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/ldv-regression/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:28:53,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:28:53,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:28:53,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:28:53,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:28:53,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:28:53,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:28:53,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:28:53,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:28:53,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:28:53,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:28:53,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:28:53,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:28:53,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:28:53,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:28:53,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:28:53,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:28:53,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:28:53,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:28:53,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:28:53,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:28:53,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:28:53,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:28:53,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:28:53,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:28:53,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:28:53,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:28:53,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:28:53,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:28:53,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:28:53,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:28:53,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:28:53,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:28:53,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:28:53,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:28:53,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:28:53,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:28:53,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:28:53,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:28:53,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:28:53,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:28:53,127 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 21:28:53,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:28:53,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:28:53,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:28:53,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:28:53,145 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:28:53,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:28:53,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:28:53,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:28:53,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:28:53,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:28:53,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:28:53,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:28:53,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:28:53,147 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:28:53,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:28:53,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:28:53,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:28:53,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:28:53,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:28:53,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:28:53,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:28:53,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:28:53,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:28:53,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:28:53,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:28:53,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:28:53,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:28:53,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:28:53,150 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 [2019-09-18 21:28:53,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:28:53,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:28:53,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:28:53,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:28:53,221 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:28:53,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-18 21:28:53,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961031566/1482d5e8dd494954a467d576eedd3aeb/FLAG3fb63950d [2019-09-18 21:28:53,714 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:28:53,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-18 21:28:53,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961031566/1482d5e8dd494954a467d576eedd3aeb/FLAG3fb63950d [2019-09-18 21:28:54,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/961031566/1482d5e8dd494954a467d576eedd3aeb [2019-09-18 21:28:54,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:28:54,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:28:54,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:28:54,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:28:54,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:28:54,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae0dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54, skipping insertion in model container [2019-09-18 21:28:54,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:28:54,155 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:28:54,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:28:54,349 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:28:54,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:28:54,469 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:28:54,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54 WrapperNode [2019-09-18 21:28:54,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:28:54,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:28:54,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:28:54,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:28:54,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:28:54,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:28:54,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:28:54,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:28:54,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:28:54" (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 21:28:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:28:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:28:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-18 21:28:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-18 21:28:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-18 21:28:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:28:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:28:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:28:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-18 21:28:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-18 21:28:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:28:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-18 21:28:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-18 21:28:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:28:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:28:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:28:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:28:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 21:28:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:28:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:28:54,928 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:28:54,929 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 21:28:54,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:28:54 BoogieIcfgContainer [2019-09-18 21:28:54,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:28:54,931 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:28:54,931 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:28:54,931 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:28:54,932 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:28:54" (1/1) ... [2019-09-18 21:28:54,933 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 [2019-09-18 21:28:54,961 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:28:54,962 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:28:54,968 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:28:54,978 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:28:54,980 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:28:55,532 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 21:28:55,536 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 47 for LOIs [2019-09-18 21:28:55,835 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 21:28:56,155 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-18 21:28:56,362 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 21:28:56,392 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 21:28:57,739 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 182 DAG size of output: 122 [2019-09-18 21:28:58,024 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 21:28:58,240 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 21:28:58,455 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 21:28:58,659 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 21:28:58,721 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:28:58,721 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:28:58,723 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 35#true [2019-09-18 21:28:58,734 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:28:58,735 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:28:58,738 INFO L168 Benchmark]: Toolchain (without parser) took 4611.00 ms. Allocated memory was 140.5 MB in the beginning and 258.5 MB in the end (delta: 118.0 MB). Free memory was 88.3 MB in the beginning and 133.9 MB in the end (delta: -45.6 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,738 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 178.2 MB in the end (delta: -90.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,747 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 199.8 MB. Free memory was 178.2 MB in the beginning and 176.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,748 INFO L168 Benchmark]: RCFGBuilder took 425.87 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 156.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,748 INFO L168 Benchmark]: Sifa took 3804.32 ms. Allocated memory was 199.8 MB in the beginning and 258.5 MB in the end (delta: 58.7 MB). Free memory was 156.0 MB in the beginning and 133.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:28:58,759 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 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 178.2 MB in the end (delta: -90.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 199.8 MB. Free memory was 178.2 MB in the beginning and 176.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.87 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 156.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Sifa took 3804.32 ms. Allocated memory was 199.8 MB in the beginning and 258.5 MB in the end (delta: 58.7 MB). Free memory was 156.0 MB in the beginning and 133.9 MB in the end (delta: 22.1 MB). Peak memory consumption was 80.8 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]: 3762, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 44, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 2369, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 414, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 2803, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1972, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 772, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 13, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 880, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 42]: 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 35#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...