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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/string-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:23:31,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:23:31,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:23:31,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:23:31,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:23:31,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:23:31,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:23:31,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:23:31,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:23:31,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:23:31,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:23:31,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:23:31,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:23:31,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:23:31,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:23:31,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:23:31,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:23:31,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:23:31,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:23:31,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:23:31,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:23:31,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:23:31,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:23:31,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:23:31,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:23:31,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:23:31,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:23:31,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:23:31,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:23:31,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:23:31,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:23:31,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:23:31,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:23:31,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:23:31,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:23:31,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:23:31,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:23:31,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:23:31,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:23:31,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:23:31,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:23:31,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 18:23:31,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:23:31,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:23:31,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:23:31,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:23:31,085 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:23:31,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:23:31,085 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:23:31,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:23:31,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:23:31,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:23:31,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:23:31,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:23:31,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:23:31,087 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:23:31,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:23:31,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:23:31,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:23:31,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:23:31,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:23:31,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:23:31,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:23:31,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:31,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:23:31,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:23:31,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:23:31,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:23:31,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:23:31,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:23:31,090 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 -> SequenceOfStatements 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 [2019-09-20 18:23:31,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:23:31,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:23:31,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:23:31,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:23:31,148 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:23:31,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-2.i [2019-09-20 18:23:31,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd2715e2/930d27bc79584ec298212f34afe19b02/FLAGbc90e03d1 [2019-09-20 18:23:31,726 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:23:31,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-2.i [2019-09-20 18:23:31,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd2715e2/930d27bc79584ec298212f34afe19b02/FLAGbc90e03d1 [2019-09-20 18:23:32,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd2715e2/930d27bc79584ec298212f34afe19b02 [2019-09-20 18:23:32,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:23:32,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:23:32,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:32,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:23:32,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:23:32,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f8712e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32, skipping insertion in model container [2019-09-20 18:23:32,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:23:32,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:23:32,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:32,384 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:23:32,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:23:32,440 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:23:32,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32 WrapperNode [2019-09-20 18:23:32,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:23:32,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:23:32,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:23:32,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:23:32,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:23:32,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:23:32,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:23:32,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:23:32,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:23:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:23:32,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:23:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:23:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 18:23:32,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:23:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:23:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 18:23:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:23:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:23:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:23:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:23:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:23:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:23:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:23:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:23:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:23:32,947 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:23:32,947 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 18:23:32,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:32 BoogieIcfgContainer [2019-09-20 18:23:32,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:23:32,949 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:23:32,949 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:23:32,950 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:23:32,951 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:23:32" (1/1) ... [2019-09-20 18:23:32,952 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 [2019-09-20 18:23:32,974 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:23:32,974 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:23:32,983 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:23:32,992 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:23:32,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:23:33,169 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 18:23:35,436 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 18:23:35,890 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-09-20 18:23:36,771 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:23:37,693 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 18:23:37,708 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:23:37,709 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:23:37,711 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 173#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 18:23:37,723 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:23:37,724 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:23:37,726 INFO L168 Benchmark]: Toolchain (without parser) took 5572.89 ms. Allocated memory was 131.6 MB in the beginning and 274.2 MB in the end (delta: 142.6 MB). Free memory was 87.4 MB in the beginning and 84.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 146.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,727 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,728 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.41 ms. Allocated memory was 131.6 MB in the beginning and 173.0 MB in the end (delta: 41.4 MB). Free memory was 87.0 MB in the beginning and 148.3 MB in the end (delta: -61.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,729 INFO L168 Benchmark]: Boogie Preprocessor took 103.28 ms. Allocated memory was 173.0 MB in the beginning and 207.6 MB in the end (delta: 34.6 MB). Free memory was 148.3 MB in the beginning and 189.6 MB in the end (delta: -41.2 MB). Peak memory consumption was 974.7 kB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,730 INFO L168 Benchmark]: RCFGBuilder took 404.32 ms. Allocated memory is still 207.6 MB. Free memory was 189.6 MB in the beginning and 170.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,731 INFO L168 Benchmark]: Sifa took 4774.72 ms. Allocated memory was 207.6 MB in the beginning and 274.2 MB in the end (delta: 66.6 MB). Free memory was 170.1 MB in the beginning and 84.0 MB in the end (delta: 86.2 MB). Peak memory consumption was 152.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:23:37,735 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.41 ms. Allocated memory was 131.6 MB in the beginning and 173.0 MB in the end (delta: 41.4 MB). Free memory was 87.0 MB in the beginning and 148.3 MB in the end (delta: -61.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.28 ms. Allocated memory was 173.0 MB in the beginning and 207.6 MB in the end (delta: 34.6 MB). Free memory was 148.3 MB in the beginning and 189.6 MB in the end (delta: -41.2 MB). Peak memory consumption was 974.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 404.32 ms. Allocated memory is still 207.6 MB. Free memory was 189.6 MB in the beginning and 170.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Sifa took 4774.72 ms. Allocated memory was 207.6 MB in the beginning and 274.2 MB in the end (delta: 66.6 MB). Free memory was 170.1 MB in the beginning and 84.0 MB in the end (delta: 86.2 MB). Peak memory consumption was 152.8 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]: 4738, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 78, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 68, TOOLS_POST_TIME[ms]: 617, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 70, TOOLS_QUANTIFIERELIM_TIME[ms]: 610, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 257, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 94, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 31, DOMAIN_JOIN_TIME[ms]: 1031, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 2907, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4282, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4281, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 119, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 119, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 306, DAG_COMPRESSION_RETAINED_NODES: 148 - UnprovableResult [Line: 6]: 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 173#(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...