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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:26:07,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:26:07,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:26:07,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:26:07,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:26:07,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:26:07,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:26:07,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:26:07,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:26:07,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:26:07,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:26:07,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:26:07,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:26:07,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:26:07,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:26:07,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:26:07,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:26:07,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:26:07,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:26:07,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:26:07,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:26:07,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:26:07,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:26:07,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:26:07,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:26:07,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:26:07,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:26:07,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:26:07,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:26:07,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:26:07,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:26:07,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:26:07,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:26:07,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:26:07,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:26:07,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:26:07,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:26:07,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:26:07,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:26:07,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:26:07,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:26:07,402 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 08:26:07,426 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:26:07,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:26:07,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:26:07,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:26:07,431 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:26:07,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:26:07,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:26:07,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:26:07,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:26:07,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:26:07,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:26:07,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:26:07,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:26:07,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:26:07,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:26:07,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:26:07,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:26:07,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:26:07,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:26:07,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:26:07,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:26:07,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:07,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:26:07,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:26:07,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:26:07,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:26:07,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:26:07,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:26:07,438 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:26:07,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:26:07,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:26:07,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:26:07,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:26:07,502 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:26:07,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-21 08:26:07,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570f738d1/8e9d50d776af4c5e9bcaf35c73eb6c73/FLAG1e9a79957 [2019-09-21 08:26:07,990 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:26:07,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-21 08:26:07,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570f738d1/8e9d50d776af4c5e9bcaf35c73eb6c73/FLAG1e9a79957 [2019-09-21 08:26:08,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570f738d1/8e9d50d776af4c5e9bcaf35c73eb6c73 [2019-09-21 08:26:08,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:26:08,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:26:08,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:08,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:26:08,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:26:08,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e10d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08, skipping insertion in model container [2019-09-21 08:26:08,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:26:08,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:26:08,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:08,643 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:26:08,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:08,668 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:26:08,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08 WrapperNode [2019-09-21 08:26:08,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:08,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:26:08,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:26:08,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:26:08,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:26:08,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:26:08,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:26:08,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:26:08,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (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 08:26:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:26:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:26:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 08:26:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:26:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:26:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-21 08:26:08,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:26:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:26:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:26:08,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:26:09,015 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:26:09,017 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:26:09,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:09 BoogieIcfgContainer [2019-09-21 08:26:09,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:26:09,019 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:26:09,019 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:26:09,020 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:26:09,021 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:09" (1/1) ... [2019-09-21 08:26:09,022 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:26:09,039 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:26:09,039 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:26:09,046 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:26:09,053 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:26:09,055 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:26:09,135 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:26:09,246 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-09-21 08:26:09,255 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:26:09,255 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:26:09,258 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 32#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int) (v_main_~N~0_BEFORE_CALL_1 Int)) (or (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 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (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 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (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 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536)))) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (= (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 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (not (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 08:26:09,276 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:26:09,276 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:26:09,279 INFO L168 Benchmark]: Toolchain (without parser) took 856.46 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 151.8 MB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 08:26:09,280 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:26:09,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.27 ms. Allocated memory is still 136.8 MB. Free memory was 83.9 MB in the beginning and 74.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:09,282 INFO L168 Benchmark]: Boogie Preprocessor took 125.54 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.0 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:09,283 INFO L168 Benchmark]: RCFGBuilder took 223.62 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 163.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:09,285 INFO L168 Benchmark]: Sifa took 257.28 ms. Allocated memory is still 197.7 MB. Free memory was 163.8 MB in the beginning and 151.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:09,291 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 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.27 ms. Allocated memory is still 136.8 MB. Free memory was 83.9 MB in the beginning and 74.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.54 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 74.8 MB in the beginning and 175.0 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.62 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 163.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Sifa took 257.28 ms. Allocated memory is still 197.7 MB. Free memory was 163.8 MB in the beginning and 151.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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]: 220, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 19, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 39, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 32, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 68, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 21, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 62, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 62, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 46, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 32#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int) (v_main_~N~0_BEFORE_CALL_1 Int)) (or (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 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod (+ (mod v_main_~x~0_BEFORE_CALL_1 2) 4294967294) 4294967296) 2147483647)) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (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 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (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 2) 0)) (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536)))) (and (= (mod v_main_~x~0_BEFORE_CALL_1 2) |__VERIFIER_assert_#in~cond|) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (<= (mod v_main_~x~0_BEFORE_CALL_1 2) 2147483647)) (and (= (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 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536))) (not (<= (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...