java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:18:50,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:18:50,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:18:50,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:18:50,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:18:50,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:18:50,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:18:50,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:18:50,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:18:50,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:18:50,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:18:50,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:18:50,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:18:50,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:18:50,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:18:50,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:18:50,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:18:50,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:18:50,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:18:50,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:18:50,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:18:50,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:18:50,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:18:50,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:18:50,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:18:50,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:18:50,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:18:50,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:18:50,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:18:50,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:18:50,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:18:50,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:18:50,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:18:50,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:18:50,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:18:50,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:18:50,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:18:50,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:18:50,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:18:50,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:18:50,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:18:50,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 11:18:50,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:18:50,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:18:50,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:18:50,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:18:50,785 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:18:50,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:18:50,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:18:50,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:18:50,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:18:50,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:18:50,787 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:18:50,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:18:50,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:18:50,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:18:50,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:18:50,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:18:50,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:18:50,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:18:50,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:18:50,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:18:50,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:18:50,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:18:50,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:18:50,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 11:18:50,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:18:50,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:18:50,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:18:50,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:18:50,853 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:18:50,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp.c [2019-09-18 11:18:50,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d21b661/77ca866d2ebc4219a5a8ec33f8fe8201/FLAG66d0fcff3 [2019-09-18 11:18:51,354 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:18:51,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp.c [2019-09-18 11:18:51,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d21b661/77ca866d2ebc4219a5a8ec33f8fe8201/FLAG66d0fcff3 [2019-09-18 11:18:51,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5d21b661/77ca866d2ebc4219a5a8ec33f8fe8201 [2019-09-18 11:18:51,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:18:51,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:18:51,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:51,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:18:51,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:18:51,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:51" (1/1) ... [2019-09-18 11:18:51,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6828a5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:51, skipping insertion in model container [2019-09-18 11:18:51,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:51" (1/1) ... [2019-09-18 11:18:51,752 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:18:51,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:18:52,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:52,006 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:18:52,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:52,150 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:18:52,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52 WrapperNode [2019-09-18 11:18:52,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:52,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:18:52,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:18:52,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:18:52,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:18:52,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:18:52,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:18:52,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:18:52,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (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 [2019-09-18 11:18:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:18:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:18:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:18:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-18 11:18:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:18:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-18 11:18:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:18:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:18:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-18 11:18:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:18:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:18:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:18:52,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:18:52,797 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-18 11:18:52,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:52 BoogieIcfgContainer [2019-09-18 11:18:52,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:18:52,800 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:18:52,800 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:18:52,800 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:18:52,801 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,802 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:18:52,837 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:18:52,839 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:18:52,857 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:18:52,868 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:18:52,870 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:18:53,545 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-18 11:18:53,713 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-09-18 11:18:53,909 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 55 for LOIs [2019-09-18 11:18:54,351 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-18 11:18:54,466 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:18:54,950 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2019-09-18 11:18:55,090 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 11:18:55,775 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 154 [2019-09-18 11:18:55,892 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-18 11:18:56,428 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-18 11:18:56,529 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:18:56,574 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:18:56,589 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:18:56,589 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:18:56,591 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 358#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:18:56,602 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:18:56,603 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:18:56,604 INFO L168 Benchmark]: Toolchain (without parser) took 4868.03 ms. Allocated memory was 133.2 MB in the beginning and 261.1 MB in the end (delta: 127.9 MB). Free memory was 89.0 MB in the beginning and 118.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:18:56,605 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:18:56,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.46 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 174.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:18:56,606 INFO L168 Benchmark]: Boogie Preprocessor took 58.24 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:18:56,607 INFO L168 Benchmark]: RCFGBuilder took 589.18 ms. Allocated memory is still 199.8 MB. Free memory was 172.3 MB in the beginning and 135.3 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:18:56,608 INFO L168 Benchmark]: Sifa took 3803.12 ms. Allocated memory was 199.8 MB in the beginning and 261.1 MB in the end (delta: 61.3 MB). Free memory was 135.3 MB in the beginning and 118.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:18:56,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 413.46 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 174.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.24 ms. Allocated memory is still 199.8 MB. Free memory was 174.0 MB in the beginning and 172.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 589.18 ms. Allocated memory is still 199.8 MB. Free memory was 172.3 MB in the beginning and 135.3 MB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Sifa took 3803.12 ms. Allocated memory was 199.8 MB in the beginning and 261.1 MB in the end (delta: 61.3 MB). Free memory was 135.3 MB in the beginning and 118.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3754, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 259, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 238, TOOLS_POST_TIME[ms]: 1194, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_APPLICATIONS: 214, TOOLS_QUANTIFIERELIM_TIME[ms]: 1170, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 353, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 271, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 1008, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1208, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 44, DOMAIN_ISBOTTOM_APPLICATIONS: 35, DOMAIN_ISBOTTOM_TIME[ms]: 96, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2192, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2191, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 979, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 979, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 322, DAG_COMPRESSION_RETAINED_NODES: 162 - UnprovableResult [Line: 5]: 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 358#(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...