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 TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:03:05,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:03:05,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:03:05,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:03:05,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:03:05,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:03:05,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:03:05,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:03:05,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:03:05,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:03:05,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:03:05,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:03:05,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:03:05,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:03:05,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:03:05,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:03:05,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:03:05,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:03:05,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:03:05,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:03:05,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:03:05,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:03:05,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:03:05,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:03:05,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:03:05,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:03:05,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:03:05,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:03:05,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:03:05,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:03:05,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:03:05,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:03:05,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:03:05,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:03:05,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:03:05,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:03:05,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:03:05,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:03:05,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:03:05,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:03:05,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:03:05,845 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 [2019-09-19 17:03:05,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:03:05,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:03:05,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:03:05,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:03:05,869 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:03:05,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:03:05,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:03:05,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:03:05,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:03:05,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:03:05,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:03:05,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:03:05,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:03:05,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:03:05,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:03:05,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:03:05,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:03:05,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:03:05,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:03:05,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:03:05,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:03:05,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:03:05,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:03:05,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:03:05,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:03:05,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:03:05,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:03:05,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:03:05,876 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 17:03:05,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:03:05,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:03:05,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:03:05,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:03:05,968 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:03:05,969 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-19 17:03:06,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3674bf278/0005e974a2c94af99ee3e626a819b817/FLAG57442e47b [2019-09-19 17:03:06,464 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:03:06,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-19 17:03:06,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3674bf278/0005e974a2c94af99ee3e626a819b817/FLAG57442e47b [2019-09-19 17:03:06,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3674bf278/0005e974a2c94af99ee3e626a819b817 [2019-09-19 17:03:06,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:03:06,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:03:06,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:06,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:03:06,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:03:06,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:06" (1/1) ... [2019-09-19 17:03:06,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189086d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:06, skipping insertion in model container [2019-09-19 17:03:06,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:03:06" (1/1) ... [2019-09-19 17:03:06,897 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:03:06,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:03:07,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:07,137 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:03:07,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:03:07,177 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:03:07,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07 WrapperNode [2019-09-19 17:03:07,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:03:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:03:07,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:03:07,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:03:07,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:03:07,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:03:07,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:03:07,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:03:07,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:03:07" (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 [2019-09-19 17:03:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:03:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:03:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-19 17:03:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-19 17:03:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:03:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:03:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-19 17:03:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:03:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:03:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:03:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-19 17:03:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:03:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:03:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:03:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:03:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:03:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:03:07,849 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:03:07,849 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:03:07,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:07 BoogieIcfgContainer [2019-09-19 17:03:07,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:03:07,851 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:03:07,851 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:03:07,851 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:03:07,853 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:03:07" (1/1) ... [2019-09-19 17:03:07,853 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-19 17:03:07,880 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:03:07,881 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:03:07,893 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:03:07,906 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:03:07,908 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:03:08,075 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:03:08,867 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-19 17:03:09,242 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-19 17:03:09,987 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-19 17:03:11,110 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2019-09-19 17:03:11,420 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-19 17:03:11,679 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-19 17:03:11,900 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 17:03:12,291 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-19 17:03:12,602 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 17:03:12,748 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-19 17:03:12,878 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 17:03:13,122 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-19 17:03:13,650 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:03:13,651 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:03:13,653 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#true [2019-09-19 17:03:13,663 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:03:13,663 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:03:13,665 INFO L168 Benchmark]: Toolchain (without parser) took 6782.67 ms. Allocated memory was 137.4 MB in the beginning and 272.6 MB in the end (delta: 135.3 MB). Free memory was 85.1 MB in the beginning and 199.2 MB in the end (delta: -114.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,666 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.43 ms. Allocated memory is still 137.4 MB. Free memory was 84.9 MB in the beginning and 75.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,667 INFO L168 Benchmark]: Boogie Preprocessor took 153.50 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 75.1 MB in the beginning and 175.3 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,668 INFO L168 Benchmark]: RCFGBuilder took 517.77 ms. Allocated memory is still 198.7 MB. Free memory was 175.3 MB in the beginning and 154.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,669 INFO L168 Benchmark]: Sifa took 5812.04 ms. Allocated memory was 198.7 MB in the beginning and 272.6 MB in the end (delta: 73.9 MB). Free memory was 154.4 MB in the beginning and 199.2 MB in the end (delta: -44.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-19 17:03:13,680 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 137.4 MB. Free memory was 103.4 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.43 ms. Allocated memory is still 137.4 MB. Free memory was 84.9 MB in the beginning and 75.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.50 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 75.1 MB in the beginning and 175.3 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 517.77 ms. Allocated memory is still 198.7 MB. Free memory was 175.3 MB in the beginning and 154.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Sifa took 5812.04 ms. Allocated memory was 198.7 MB in the beginning and 272.6 MB in the end (delta: 73.9 MB). Free memory was 154.4 MB in the beginning and 199.2 MB in the end (delta: -44.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 5773, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 5471, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 5491, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5032, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 17, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 124, DOMAIN_ALPHA_APPLICATIONS: 17, DOMAIN_ALPHA_TIME[ms]: 56, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, 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: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 569, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 569, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 44]: 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 59#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...