java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:14:55,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:14:55,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:14:55,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:14:55,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:14:55,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:14:55,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:14:55,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:14:55,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:14:55,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:14:55,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:14:55,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:14:55,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:14:55,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:14:55,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:14:55,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:14:55,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:14:55,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:14:55,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:14:55,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:14:55,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:14:55,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:14:55,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:14:55,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:14:55,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:14:55,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:14:55,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:14:55,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:14:55,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:14:55,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:14:55,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:14:55,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:14:55,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:14:55,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:14:55,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:14:55,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:14:55,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:14:55,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:14:55,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:14:55,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:14:55,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:14:55,852 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 21:14:55,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:14:55,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:14:55,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:14:55,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:14:55,879 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:14:55,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:14:55,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:14:55,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:14:55,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:14:55,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:14:55,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:14:55,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:14:55,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:14:55,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:14:55,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:14:55,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:14:55,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:14:55,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:14:55,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:14:55,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:14:55,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:14:55,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:14:55,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:14:55,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:14:55,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:14:55,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:14:55,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:14:55,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:14:55,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer 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 21:14:55,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:14:55,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:14:55,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:14:55,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:14:55,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:14:55,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-18 21:14:56,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b443da8/21a56e7bc2204631ae255892d18e552c/FLAG7cf479286 [2019-09-18 21:14:56,478 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:14:56,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-18 21:14:56,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b443da8/21a56e7bc2204631ae255892d18e552c/FLAG7cf479286 [2019-09-18 21:14:56,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b443da8/21a56e7bc2204631ae255892d18e552c [2019-09-18 21:14:56,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:14:56,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:14:56,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:14:56,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:14:56,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:14:56,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:14:56" (1/1) ... [2019-09-18 21:14:56,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67abe819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:56, skipping insertion in model container [2019-09-18 21:14:56,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:14:56" (1/1) ... [2019-09-18 21:14:56,876 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:14:56,898 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:14:57,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:14:57,100 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:14:57,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:14:57,131 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:14:57,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57 WrapperNode [2019-09-18 21:14:57,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:14:57,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:14:57,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:14:57,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:14:57,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:14:57,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:14:57,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:14:57,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:14:57,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:14:57" (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 21:14:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:14:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:14:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 21:14:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:14:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:14:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:14:57,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:14:57,524 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 21:14:57,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:14:57 BoogieIcfgContainer [2019-09-18 21:14:57,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:14:57,526 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:14:57,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:14:57,527 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:14:57,528 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:14:57" (1/1) ... [2019-09-18 21:14:57,529 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:14:57,562 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:14:57,562 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:14:57,574 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:14:57,587 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:14:57,590 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:14:57,678 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-18 21:14:58,284 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-18 21:14:58,590 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-09-18 21:14:58,822 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-18 21:14:59,284 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-18 21:14:59,869 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-18 21:15:04,159 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-09-18 21:15:06,208 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-18 21:15:12,920 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-18 21:15:25,474 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2019-09-18 21:15:27,651 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-18 21:15:29,668 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 19 [2019-09-18 21:15:31,149 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 37 [2019-09-18 21:15:34,484 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-18 21:15:45,826 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 117 [2019-09-18 21:15:48,039 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 20 [2019-09-18 21:15:50,055 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 20 [2019-09-18 21:15:52,252 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2019-09-18 21:15:54,286 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 21:15:54,672 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 21:15:54,684 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:15:54,684 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:15:54,687 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 477#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 21:15:54,703 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:15:54,704 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:15:54,707 INFO L168 Benchmark]: Toolchain (without parser) took 57849.17 ms. Allocated memory was 131.6 MB in the beginning and 319.8 MB in the end (delta: 188.2 MB). Free memory was 87.9 MB in the beginning and 194.9 MB in the end (delta: -107.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-09-18 21:15:54,708 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 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. [2019-09-18 21:15:54,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.44 ms. Allocated memory is still 131.6 MB. Free memory was 87.7 MB in the beginning and 77.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:15:54,714 INFO L168 Benchmark]: Boogie Preprocessor took 115.62 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 77.9 MB in the beginning and 173.5 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:15:54,720 INFO L168 Benchmark]: RCFGBuilder took 277.17 ms. Allocated memory is still 197.1 MB. Free memory was 173.5 MB in the beginning and 159.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-09-18 21:15:54,721 INFO L168 Benchmark]: Sifa took 57177.87 ms. Allocated memory was 197.1 MB in the beginning and 319.8 MB in the end (delta: 122.7 MB). Free memory was 159.9 MB in the beginning and 194.9 MB in the end (delta: -34.9 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-09-18 21:15:54,727 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 131.6 MB. Free memory was 106.0 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 272.44 ms. Allocated memory is still 131.6 MB. Free memory was 87.7 MB in the beginning and 77.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.62 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 77.9 MB in the beginning and 173.5 MB in the end (delta: -95.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.17 ms. Allocated memory is still 197.1 MB. Free memory was 173.5 MB in the beginning and 159.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Sifa took 57177.87 ms. Allocated memory was 197.1 MB in the beginning and 319.8 MB in the end (delta: 122.7 MB). Free memory was 159.9 MB in the beginning and 194.9 MB in the end (delta: -34.9 MB). Peak memory consumption was 87.7 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]: 57126, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 95, TOOLS_POST_TIME[ms]: 103, TOOLS_POST_CALL_APPLICATIONS: 94, TOOLS_POST_CALL_TIME[ms]: 29823, TOOLS_POST_RETURN_APPLICATIONS: 86, TOOLS_POST_RETURN_TIME[ms]: 225, TOOLS_QUANTIFIERELIM_APPLICATIONS: 273, TOOLS_QUANTIFIERELIM_TIME[ms]: 30028, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10071, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 211, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME[ms]: 16175, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 3661, DOMAIN_ISSUBSETEQ_APPLICATIONS: 169, DOMAIN_ISSUBSETEQ_TIME[ms]: 6559, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 33, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 54561, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54561, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 86, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4536, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 13, DAG_COMPRESSION_TIME[ms]: 46, DAG_COMPRESSION_PROCESSED_NODES: 263, DAG_COMPRESSION_RETAINED_NODES: 82 - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 477#(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...