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/array-examples/standard_allDiff2_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:30:51,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:30:51,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:30:51,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:30:51,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:30:51,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:30:51,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:30:51,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:30:51,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:30:51,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:30:51,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:30:51,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:30:51,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:30:51,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:30:51,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:30:51,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:30:51,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:30:51,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:30:51,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:30:51,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:30:51,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:30:51,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:30:51,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:30:51,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:30:51,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:30:51,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:30:51,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:30:51,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:30:51,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:30:51,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:30:51,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:30:51,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:30:51,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:30:51,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:30:51,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:30:51,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:30:51,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:30:51,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:30:51,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:30:51,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:30:51,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:30:51,915 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 11:30:51,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:30:51,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:30:51,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:30:51,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:30:51,931 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:30:51,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:30:51,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:30:51,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:30:51,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:30:51,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:30:51,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:30:51,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:30:51,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:30:51,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:30:51,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:30:51,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:30:51,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:30:51,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:30:51,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:30:51,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:30:51,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:30:51,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:30:51,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:30:51,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:30:51,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:30:51,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:30:51,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:30:51,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:30:51,936 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 11:30:51,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:30:51,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:30:51,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:30:51,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:30:51,984 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:30:51,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_allDiff2_ground.i [2019-09-18 11:30:52,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03e454b/2b00380af0864a7cbfc3cb322df96112/FLAG9b85c7aa5 [2019-09-18 11:30:52,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:30:52,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_allDiff2_ground.i [2019-09-18 11:30:52,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03e454b/2b00380af0864a7cbfc3cb322df96112/FLAG9b85c7aa5 [2019-09-18 11:30:52,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d03e454b/2b00380af0864a7cbfc3cb322df96112 [2019-09-18 11:30:52,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:30:52,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:30:52,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:30:52,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:30:52,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:30:52,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:30:52" (1/1) ... [2019-09-18 11:30:52,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:52, skipping insertion in model container [2019-09-18 11:30:52,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:30:52" (1/1) ... [2019-09-18 11:30:52,935 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:30:52,950 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:30:53,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:30:53,137 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:30:53,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:30:53,178 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:30:53,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53 WrapperNode [2019-09-18 11:30:53,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:30:53,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:30:53,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:30:53,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:30:53,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:30:53,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:30:53,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:30:53,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:30:53,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:30:53" (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 11:30:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:30:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:30:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:30:53,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:30:53,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:30:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:30:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:30:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:30:53,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:30:53,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:30:53,736 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 11:30:53,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:53 BoogieIcfgContainer [2019-09-18 11:30:53,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:30:53,738 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:30:53,738 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:30:53,739 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:30:53,740 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:30:53" (1/1) ... [2019-09-18 11:30:53,740 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 11:30:53,760 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:30:53,761 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:30:53,768 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:30:53,775 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:30:53,777 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:30:53,923 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 11:30:54,858 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 182 [2019-09-18 11:30:55,169 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2019-09-18 11:30:55,556 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 279 [2019-09-18 11:30:56,017 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 330 [2019-09-18 11:30:57,028 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-18 11:30:57,186 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 11:30:57,382 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-18 11:30:58,324 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-18 11:30:58,559 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-18 11:30:58,832 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-18 11:30:59,577 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-18 11:30:59,735 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 11:30:59,943 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-18 11:31:00,902 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 119 [2019-09-18 11:31:01,134 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 138 [2019-09-18 11:31:01,688 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 170 [2019-09-18 11:31:02,779 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 196 [2019-09-18 11:31:03,739 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 150 [2019-09-18 11:31:04,409 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 for LOIs [2019-09-18 11:31:04,424 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:31:04,425 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:31:04,427 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 928#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:31:04,441 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:31:04,441 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:31:04,443 INFO L168 Benchmark]: Toolchain (without parser) took 11523.85 ms. Allocated memory was 140.0 MB in the beginning and 342.9 MB in the end (delta: 202.9 MB). Free memory was 87.4 MB in the beginning and 311.3 MB in the end (delta: -224.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:31:04,444 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 11:31:04,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.90 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 76.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:04,446 INFO L168 Benchmark]: Boogie Preprocessor took 144.56 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 76.9 MB in the beginning and 176.6 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:04,447 INFO L168 Benchmark]: RCFGBuilder took 413.60 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 157.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:04,448 INFO L168 Benchmark]: Sifa took 10703.38 ms. Allocated memory was 199.8 MB in the beginning and 342.9 MB in the end (delta: 143.1 MB). Free memory was 157.6 MB in the beginning and 311.3 MB in the end (delta: -153.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:31:04,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.90 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 76.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.56 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 76.9 MB in the beginning and 176.6 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.60 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 157.6 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Sifa took 10703.38 ms. Allocated memory was 199.8 MB in the beginning and 342.9 MB in the end (delta: 143.1 MB). Free memory was 157.6 MB in the beginning and 311.3 MB in the end (delta: -153.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 10667, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 614, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 570, TOOLS_POST_TIME[ms]: 892, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME[ms]: 312, TOOLS_POST_RETURN_APPLICATIONS: 29, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 625, TOOLS_QUANTIFIERELIM_TIME[ms]: 1102, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 54, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 661, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 93, DOMAIN_JOIN_TIME[ms]: 3664, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 10, DOMAIN_WIDEN_APPLICATIONS: 35, DOMAIN_WIDEN_TIME[ms]: 5070, DOMAIN_ISSUBSETEQ_APPLICATIONS: 47, DOMAIN_ISSUBSETEQ_TIME[ms]: 405, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 77, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9801, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9800, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 47, CALL_SUMMARIZER_APPLICATIONS: 29, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 109, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 108, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 49, DAG_COMPRESSION_PROCESSED_NODES: 734, DAG_COMPRESSION_RETAINED_NODES: 366 - UnprovableResult [Line: 2]: 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 928#(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...