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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/loop-acceleration/nested_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:41:37,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:41:37,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:41:37,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:41:37,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:41:37,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:41:37,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:41:37,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:41:37,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:41:37,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:41:37,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:41:37,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:41:37,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:41:37,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:41:37,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:41:37,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:41:37,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:41:37,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:41:37,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:41:37,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:41:37,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:41:37,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:41:37,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:41:37,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:41:37,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 17:41:37,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:41:37,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:41:37,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:41:37,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:41:37,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:41:37,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:41:37,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:41:37,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:41:37,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:41:37,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:41:37,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:41:37,919 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 [2019-09-25 17:41:37,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:41:37,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:41:37,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:41:37,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:41:37,936 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:41:37,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:41:37,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:41:37,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:41:37,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:41:37,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:41:37,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:41:37,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:41:37,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:41:37,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:41:37,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:41:37,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:41:37,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:41:37,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:41:37,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:41:37,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:41:37,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:41:37,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:41:37,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:41:37,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:41:37,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:41:37,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:41:37,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:41:37,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:41:37,942 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 -> 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:41:37,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:41:37,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:41:37,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:41:37,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:41:37,994 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:41:37,994 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-09-25 17:41:38,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cbb604af/0f239a4264b34b3b98f38cf7a6dc1807/FLAG386e115ff [2019-09-25 17:41:38,537 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:41:38,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/nested_1-1.c [2019-09-25 17:41:38,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cbb604af/0f239a4264b34b3b98f38cf7a6dc1807/FLAG386e115ff [2019-09-25 17:41:38,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cbb604af/0f239a4264b34b3b98f38cf7a6dc1807 [2019-09-25 17:41:38,953 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:41:38,954 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:41:38,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:38,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:41:38,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:41:38,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:38" (1/1) ... [2019-09-25 17:41:38,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cab7448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:38, skipping insertion in model container [2019-09-25 17:41:38,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:41:38" (1/1) ... [2019-09-25 17:41:38,971 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:41:38,988 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:41:39,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:39,175 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:41:39,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:41:39,200 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:41:39,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39 WrapperNode [2019-09-25 17:41:39,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:41:39,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:41:39,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:41:39,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:41:39,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:41:39,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:41:39,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:41:39,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:41:39,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:41:39" (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 [2019-09-25 17:41:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:41:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:41:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 17:41:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:41:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:41:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:41:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:41:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:41:39,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:41:39,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:41:39,622 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-25 17:41:39,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:39 BoogieIcfgContainer [2019-09-25 17:41:39,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:41:39,624 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:41:39,624 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:41:39,624 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:41:39,626 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:41:39" (1/1) ... [2019-09-25 17:41:39,626 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:41:39,676 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:41:39,680 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:41:39,698 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:41:39,718 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:41:39,728 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:41:39,813 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 17:41:40,279 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2019-09-25 17:41:40,285 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:41:40,285 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:41:40,288 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 112#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int)) (or (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= |__VERIFIER_assert_#in~cond| (+ (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) (- 4294967296))) (not (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (and (= |__VERIFIER_assert_#in~cond| (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-25 17:41:40,304 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:41:40,304 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:41:40,307 INFO L168 Benchmark]: Toolchain (without parser) took 1351.32 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 86.6 MB in the beginning and 135.4 MB in the end (delta: -48.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,308 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.15 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,310 INFO L168 Benchmark]: Boogie Preprocessor took 130.04 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.1 MB in the beginning and 177.3 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,310 INFO L168 Benchmark]: RCFGBuilder took 292.25 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 164.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,311 INFO L168 Benchmark]: Sifa took 679.98 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 135.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:41:40,315 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.15 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.04 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.1 MB in the beginning and 177.3 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.25 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 164.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Sifa took 679.98 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 135.4 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 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]: 613, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 48, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 88, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 37, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 97, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 24, DOMAIN_JOIN_TIME[ms]: 220, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 88, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 28, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 411, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 410, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 37, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 59, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 112#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int)) (or (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= |__VERIFIER_assert_#in~cond| (+ (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) (- 4294967296))) (not (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (and (= |__VERIFIER_assert_#in~cond| (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (and (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (= |__VERIFIER_assert_#in~cond| (+ (mod v_main_~x~0_BEFORE_CALL_1 2) (- 4294967296))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 268435455)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)))) (= 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...