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 NONE -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:04:29,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:04:29,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:04:29,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:04:29,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:04:29,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:04:29,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:04:29,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:04:29,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:04:29,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:04:29,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:04:29,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:04:29,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:04:29,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:04:29,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:04:29,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:04:29,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:04:29,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:04:29,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:04:29,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:04:29,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:04:29,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:04:29,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:04:29,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:04:29,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:04:29,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:04:29,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:04:29,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:04:29,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:04:29,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:04:29,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:04:29,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:04:29,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:04:29,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:04:29,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:04:29,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:04:29,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:04:29,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:04:29,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:04:29,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:04:29,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:04:29,455 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 [2019-09-20 15:04:29,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:04:29,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:04:29,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:04:29,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:04:29,476 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:04:29,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:04:29,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:04:29,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:04:29,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:04:29,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:04:29,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:04:29,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:04:29,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:04:29,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:04:29,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:04:29,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:04:29,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:04:29,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:04:29,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:04:29,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:04:29,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:04:29,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:04:29,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:04:29,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:04:29,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:04:29,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:04:29,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:04:29,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:04:29,481 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 -> NONE [2019-09-20 15:04:29,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:04:29,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:04:29,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:04:29,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:04:29,544 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:04:29,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-20 15:04:29,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31964f9e6/ebb48d33c6284f74a3588882675a6c63/FLAG7b2b34a5e [2019-09-20 15:04:30,111 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:04:30,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-20 15:04:30,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31964f9e6/ebb48d33c6284f74a3588882675a6c63/FLAG7b2b34a5e [2019-09-20 15:04:30,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31964f9e6/ebb48d33c6284f74a3588882675a6c63 [2019-09-20 15:04:30,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:04:30,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:04:30,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:30,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:04:30,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:04:30,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:30,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c2473f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30, skipping insertion in model container [2019-09-20 15:04:30,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:30,510 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:04:30,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:04:30,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:30,801 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:04:30,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:04:30,839 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:04:30,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30 WrapperNode [2019-09-20 15:04:30,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:04:30,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:04:30,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:04:30,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:04:30,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:30,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:30,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:30,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:31,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:31,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:31,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (1/1) ... [2019-09-20 15:04:31,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:04:31,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:04:31,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:04:31,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:04:31,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:04:30" (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 [2019-09-20 15:04:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:04:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:04:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:04:31,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:04:31,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:04:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 15:04:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:04:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:04:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:04:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:04:31,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:04:31,285 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:04:31,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:31 BoogieIcfgContainer [2019-09-20 15:04:31,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:04:31,287 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:04:31,287 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:04:31,287 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:04:31,288 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:04:31" (1/1) ... [2019-09-20 15:04:31,289 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:04:31,311 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:04:31,312 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:04:31,319 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:04:31,328 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:04:31,330 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:04:31,375 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 15:04:31,499 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-09-20 15:04:31,505 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:04:31,505 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:04:31,509 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)) [2019-09-20 15:04:31,526 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:04:31,527 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:04:31,530 INFO L168 Benchmark]: Toolchain (without parser) took 1035.06 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 86.6 MB in the beginning and 158.5 MB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:04:31,531 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:04:31,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.75 ms. Allocated memory is still 138.9 MB. Free memory was 86.6 MB in the beginning and 76.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:31,534 INFO L168 Benchmark]: Boogie Preprocessor took 173.66 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 76.8 MB in the beginning and 178.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:31,535 INFO L168 Benchmark]: RCFGBuilder took 271.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 167.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:31,537 INFO L168 Benchmark]: Sifa took 239.80 ms. Allocated memory is still 200.8 MB. Free memory was 167.2 MB in the beginning and 158.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:04:31,543 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 346.75 ms. Allocated memory is still 138.9 MB. Free memory was 86.6 MB in the beginning and 76.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.66 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 76.8 MB in the beginning and 178.6 MB in the end (delta: -101.8 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 271.12 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 167.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Sifa took 239.80 ms. Allocated memory is still 200.8 MB. Free memory was 167.2 MB in the beginning and 158.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 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]: 198, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 26, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 86, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 62, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 3, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 41, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, 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...