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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/nla-digbench/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:26:51,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:26:51,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:26:51,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:26:51,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:26:51,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:26:51,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:26:51,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:26:51,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:26:51,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:26:51,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:26:51,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:26:51,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:26:51,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:26:51,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:26:51,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:26:51,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:26:51,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:26:51,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:26:51,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:26:51,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:26:51,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:26:51,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:26:51,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:26:51,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:26:51,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:26:51,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:26:51,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:26:51,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:26:51,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:26:51,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:26:51,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:26:51,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:26:51,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:26:51,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:26:51,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:26:51,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:26:51,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:26:51,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:26:51,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:26:51,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:26:51,129 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 [2019-09-21 08:26:51,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:26:51,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:26:51,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:26:51,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:26:51,159 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:26:51,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:26:51,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:26:51,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:26:51,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:26:51,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:26:51,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:26:51,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:26:51,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:26:51,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:26:51,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:26:51,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:26:51,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:26:51,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:26:51,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:26:51,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:26:51,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:26:51,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:51,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:26:51,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:26:51,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:26:51,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:26:51,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:26:51,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:26:51,166 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 -> 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_QUICK [2019-09-21 08:26:51,216 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:26:51,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:26:51,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:26:51,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:26:51,236 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:26:51,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-21 08:26:51,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbcb44c/a72c1864435241f6b2a24e742f95bd73/FLAG461225501 [2019-09-21 08:26:51,750 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:26:51,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-21 08:26:51,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbcb44c/a72c1864435241f6b2a24e742f95bd73/FLAG461225501 [2019-09-21 08:26:52,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9cbcb44c/a72c1864435241f6b2a24e742f95bd73 [2019-09-21 08:26:52,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:26:52,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:26:52,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:52,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:26:52,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:26:52,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745bf630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52, skipping insertion in model container [2019-09-21 08:26:52,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,164 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:26:52,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:26:52,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:52,327 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:26:52,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:52,356 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:26:52,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52 WrapperNode [2019-09-21 08:26:52,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:52,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:26:52,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:26:52,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:26:52,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:26:52,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:26:52,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:26:52,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:26:52,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:52" (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 [2019-09-21 08:26:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:26:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:26:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 08:26:52,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:26:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:26:52,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:26:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 08:26:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:26:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:26:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:26:52,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:26:52,759 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:26:52,759 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-21 08:26:52,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:52 BoogieIcfgContainer [2019-09-21 08:26:52,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:26:52,762 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:26:52,762 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:26:52,762 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:26:52,763 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:52" (1/1) ... [2019-09-21 08:26:52,764 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:26:52,805 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:26:52,805 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:26:52,812 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:26:52,829 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:26:52,830 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:26:52,914 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:27:00,857 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 08:27:00,859 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:27:00,859 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:27:00,866 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 282#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 08:27:00,881 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:27:00,881 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:27:00,885 INFO L168 Benchmark]: Toolchain (without parser) took 8732.84 ms. Allocated memory was 130.5 MB in the beginning and 217.1 MB in the end (delta: 86.5 MB). Free memory was 86.5 MB in the beginning and 137.3 MB in the end (delta: -50.8 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,887 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.70 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,890 INFO L168 Benchmark]: Boogie Preprocessor took 108.67 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.5 MB in the beginning and 173.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,891 INFO L168 Benchmark]: RCFGBuilder took 294.38 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 159.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,896 INFO L168 Benchmark]: Sifa took 8119.56 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 159.0 MB in the beginning and 137.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 41.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:00,908 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 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 206.70 ms. Allocated memory is still 130.5 MB. Free memory was 86.1 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.67 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.5 MB in the beginning and 173.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.38 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 159.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Sifa took 8119.56 ms. Allocated memory was 197.7 MB in the beginning and 217.1 MB in the end (delta: 19.4 MB). Free memory was 159.0 MB in the beginning and 137.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 41.1 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]: 8061, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 139, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 69, TOOLS_POST_TIME[ms]: 79, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 7221, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 140, TOOLS_QUANTIFIERELIM_APPLICATIONS: 191, TOOLS_QUANTIFIERELIM_TIME[ms]: 7348, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4060, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 150, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 194, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 123, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 127, DOMAIN_ISBOTTOM_APPLICATIONS: 20, DOMAIN_ISBOTTOM_TIME[ms]: 43, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7674, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7673, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 52, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 263, DAG_COMPRESSION_RETAINED_NODES: 82 - 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 282#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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...