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 CompoundDomain --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/sqrt1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:51:11,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:51:11,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:51:11,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:51:11,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:51:11,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:51:11,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:51:11,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:51:11,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:51:11,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:51:11,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:51:11,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:51:11,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:51:11,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:51:11,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:51:11,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:51:11,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:51:11,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:51:11,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:51:11,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:51:11,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:51:11,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:51:11,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:51:11,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:51:11,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:51:11,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:51:11,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:51:11,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:51:11,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:51:11,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:51:11,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:51:11,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:51:11,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:51:11,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:51:11,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:51:11,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:51:11,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:51:11,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:51:11,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:51:11,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:51:11,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:51:11,460 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 09:51:11,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:51:11,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:51:11,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:51:11,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:51:11,477 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:51:11,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:51:11,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:51:11,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:51:11,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:51:11,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:51:11,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:51:11,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:51:11,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:51:11,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:51:11,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:51:11,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:51:11,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:51:11,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:51:11,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:51:11,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:51:11,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:51:11,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:51:11,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:51:11,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:51:11,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:51:11,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:51:11,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:51:11,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:51:11,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 09:51:11,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:51:11,526 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:51:11,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:51:11,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:51:11,531 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:51:11,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-21 09:51:11,619 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb86dcacd/7d9511cdb60e40b4bd6b82f9392697a1/FLAGf2bffcf00 [2019-09-21 09:51:12,102 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:51:12,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/sqrt1.c [2019-09-21 09:51:12,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb86dcacd/7d9511cdb60e40b4bd6b82f9392697a1/FLAGf2bffcf00 [2019-09-21 09:51:12,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb86dcacd/7d9511cdb60e40b4bd6b82f9392697a1 [2019-09-21 09:51:12,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:51:12,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:51:12,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:12,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:51:12,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:51:12,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763cdf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12, skipping insertion in model container [2019-09-21 09:51:12,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,492 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:51:12,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:51:12,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:12,717 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:51:12,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:12,746 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:51:12,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12 WrapperNode [2019-09-21 09:51:12,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:12,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:51:12,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:51:12,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:51:12,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (1/1) ... [2019-09-21 09:51:12,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:51:12,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:51:12,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:51:12,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:51:12,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:12" (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 09:51:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:51:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:51:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:51:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:51:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:51:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:51:13,126 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:51:13,126 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:51:13,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:13 BoogieIcfgContainer [2019-09-21 09:51:13,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:51:13,132 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:51:13,132 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:51:13,135 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:51:13,137 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:13" (1/1) ... [2019-09-21 09:51:13,138 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 09:51:13,190 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:51:13,191 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:51:13,200 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:51:13,210 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:51:13,212 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:51:13,310 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:51:14,911 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2019-09-21 09:51:15,778 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-09-21 09:51:15,914 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 629 [2019-09-21 09:51:16,131 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 629 [2019-09-21 09:51:16,734 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 531 [2019-09-21 09:51:16,871 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-21 09:51:17,173 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 536 DAG size of output: 532 [2019-09-21 09:51:17,531 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 866 [2019-09-21 09:51:17,861 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 866 [2019-09-21 09:51:18,287 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 862 [2019-09-21 09:51:19,243 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 682 [2019-09-21 09:51:19,481 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 682 [2019-09-21 09:51:19,786 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2019-09-21 09:51:20,248 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-09-21 09:51:20,673 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 1132 [2019-09-21 09:51:21,423 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 1128 [2019-09-21 09:51:22,604 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 1156 DAG size of output: 1149 [2019-09-21 09:51:22,847 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-21 09:51:22,851 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:51:22,851 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:51:22,854 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 668#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:51:22,867 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:51:22,868 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:51:22,870 INFO L168 Benchmark]: Toolchain (without parser) took 10393.95 ms. Allocated memory was 140.0 MB in the beginning and 533.7 MB in the end (delta: 393.7 MB). Free memory was 87.3 MB in the beginning and 287.0 MB in the end (delta: -199.7 MB). Peak memory consumption was 194.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,871 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.39 ms. Allocated memory is still 140.0 MB. Free memory was 87.1 MB in the beginning and 77.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,873 INFO L168 Benchmark]: Boogie Preprocessor took 119.23 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,873 INFO L168 Benchmark]: RCFGBuilder took 264.59 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 164.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,874 INFO L168 Benchmark]: Sifa took 9736.15 ms. Allocated memory was 199.8 MB in the beginning and 533.7 MB in the end (delta: 334.0 MB). Free memory was 164.5 MB in the beginning and 287.0 MB in the end (delta: -122.5 MB). Peak memory consumption was 211.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:22,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.39 ms. Allocated memory is still 140.0 MB. Free memory was 87.1 MB in the beginning and 77.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.23 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.59 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 164.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Sifa took 9736.15 ms. Allocated memory was 199.8 MB in the beginning and 533.7 MB in the end (delta: 334.0 MB). Free memory was 164.5 MB in the beginning and 287.0 MB in the end (delta: -122.5 MB). Peak memory consumption was 211.4 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]: 9664, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 78, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME[ms]: 165, TOOLS_POST_CALL_APPLICATIONS: 43, TOOLS_POST_CALL_TIME[ms]: 1682, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME[ms]: 225, TOOLS_QUANTIFIERELIM_APPLICATIONS: 112, TOOLS_QUANTIFIERELIM_TIME[ms]: 1921, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 300, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 88, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 2239, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 383, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 4716, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 135, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9452, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9451, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 79, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 78, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 95, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 9]: 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 668#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= |__VERIFIER_assert_#in~cond| 1) (<= 0 __VERIFIER_assert_~cond) (= 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...