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 -i ../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:37:36,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:37:36,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:37:36,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:37:36,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:37:36,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:37:36,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:37:36,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:37:36,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:37:36,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:37:36,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:37:36,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:37:36,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:37:36,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:37:36,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:37:36,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:37:36,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:37:36,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:37:36,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:37:36,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:37:36,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:37:36,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:37:36,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:37:36,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:37:36,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:37:36,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:37:36,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:37:36,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:37:36,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:37:36,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:37:36,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:37:36,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:37:36,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:37:36,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:37:36,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:37:36,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:37:36,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:37:36,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:37:36,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:37:36,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:37:36,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:37:36,856 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 15:37:36,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:37:36,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:37:36,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:37:36,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:37:36,873 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:37:36,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:37:36,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:37:36,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:37:36,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:37:36,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:37:36,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:37:36,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:37:36,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:37:36,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:37:36,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:37:36,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:37:36,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:37:36,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:37:36,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:37:36,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:37:36,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:37:36,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:37:36,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:37:36,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:37:36,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:37:36,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:37:36,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:37:36,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:37:36,878 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 [2019-09-25 15:37:36,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:37:36,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:37:36,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:37:36,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:37:36,930 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:37:36,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-25 15:37:37,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3e2aba/cec32a52020045c0975be1dfc36a703f/FLAGa5482b287 [2019-09-25 15:37:37,470 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:37:37,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-25 15:37:37,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3e2aba/cec32a52020045c0975be1dfc36a703f/FLAGa5482b287 [2019-09-25 15:37:37,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c3e2aba/cec32a52020045c0975be1dfc36a703f [2019-09-25 15:37:37,883 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:37:37,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:37:37,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:37,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:37:37,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:37:37,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:37" (1/1) ... [2019-09-25 15:37:37,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56676643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:37, skipping insertion in model container [2019-09-25 15:37:37,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:37" (1/1) ... [2019-09-25 15:37:37,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:37:37,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:37:38,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:38,124 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:37:38,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:38,148 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:37:38,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38 WrapperNode [2019-09-25 15:37:38,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:38,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:37:38,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:37:38,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:37:38,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:37:38,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:37:38,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:37:38,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:37:38,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:38" (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 15:37:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:37:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:37:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 15:37:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:37:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:37:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-25 15:37:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:37:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:37:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:37:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:37:38,520 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:37:38,520 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 15:37:38,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:38 BoogieIcfgContainer [2019-09-25 15:37:38,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:37:38,522 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:37:38,522 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:37:38,523 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:37:38,524 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:38" (1/1) ... [2019-09-25 15:37:38,524 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:37:38,546 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:37:38,547 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:37:38,554 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:37:38,563 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:37:38,565 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:37:38,643 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 15:37:38,761 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-09-25 15:37:38,775 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:37:38,776 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:37:38,779 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 33#(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)) [2019-09-25 15:37:38,797 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:37:38,798 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:37:38,801 INFO L168 Benchmark]: Toolchain (without parser) took 915.32 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 87.8 MB in the beginning and 152.9 MB in the end (delta: -65.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:37:38,803 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:37:38,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.14 ms. Allocated memory is still 140.5 MB. Free memory was 87.6 MB in the beginning and 78.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:38,807 INFO L168 Benchmark]: Boogie Preprocessor took 126.95 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 78.5 MB in the beginning and 176.3 MB in the end (delta: -97.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:38,808 INFO L168 Benchmark]: RCFGBuilder took 245.28 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 165.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:38,809 INFO L168 Benchmark]: Sifa took 275.51 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 152.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:38,816 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.14 ms. Allocated memory is still 140.5 MB. Free memory was 87.6 MB in the beginning and 78.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.95 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 78.5 MB in the beginning and 176.3 MB in the end (delta: -97.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.28 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 165.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Sifa took 275.51 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 152.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 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]: 233, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 20, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 40, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 50, 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]: 69, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 23, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 67, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 67, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 42, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42, 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 33#(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...