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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:23:28,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:23:28,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:23:28,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:23:28,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:23:28,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:23:28,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:23:28,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:23:28,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:23:28,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:23:28,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:23:29,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:23:29,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:23:29,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:23:29,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:23:29,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:23:29,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:23:29,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:23:29,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:23:29,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:23:29,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:23:29,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:23:29,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:23:29,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:23:29,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:23:29,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:23:29,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:23:29,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:23:29,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:23:29,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:23:29,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:23:29,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:23:29,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:23:29,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:23:29,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:23:29,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:23:29,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:23:29,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:23:29,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:23:29,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:23:29,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:23:29,029 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 21:23:29,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:23:29,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:23:29,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:23:29,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:23:29,059 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:23:29,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:23:29,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:23:29,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:23:29,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:23:29,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:23:29,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:23:29,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:23:29,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:23:29,061 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:23:29,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:23:29,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:23:29,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:23:29,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:23:29,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:23:29,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:23:29,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:23:29,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:29,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:23:29,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:23:29,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:23:29,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:23:29,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:23:29,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:23:29,066 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:23:29,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:23:29,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:23:29,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:23:29,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:23:29,153 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:23:29,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 21:23:29,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d119fd6/a8aa1caf1a99430fa20fd39dcbd4768e/FLAG69563c5b3 [2019-09-20 21:23:29,738 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:23:29,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 21:23:29,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d119fd6/a8aa1caf1a99430fa20fd39dcbd4768e/FLAG69563c5b3 [2019-09-20 21:23:30,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6d119fd6/a8aa1caf1a99430fa20fd39dcbd4768e [2019-09-20 21:23:30,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:23:30,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:23:30,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:30,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:23:30,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:23:30,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be80d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30, skipping insertion in model container [2019-09-20 21:23:30,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,082 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:23:30,100 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:23:30,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:30,296 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:23:30,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:30,418 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:23:30,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30 WrapperNode [2019-09-20 21:23:30,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:30,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:23:30,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:23:30,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:23:30,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:23:30,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:23:30,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:23:30,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:23:30,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:30" (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 21:23:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:23:30,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:23:30,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-20 21:23:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:23:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:23:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:23:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-20 21:23:30,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:23:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:23:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:23:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:23:30,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:23:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:23:30,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:23:30,891 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:23:30,891 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 21:23:30,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:30 BoogieIcfgContainer [2019-09-20 21:23:30,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:23:30,894 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:23:30,894 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:23:30,895 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:23:30,896 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:30" (1/1) ... [2019-09-20 21:23:30,897 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:23:30,922 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:23:30,923 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:23:30,931 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:23:30,941 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:23:30,942 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:23:31,141 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-20 21:23:31,553 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-20 21:23:31,757 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 21:23:31,879 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 21:23:32,368 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-09-20 21:23:32,577 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 21:23:33,118 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-20 21:23:33,335 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 21:23:34,182 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 107 [2019-09-20 21:23:34,602 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:23:35,573 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2019-09-20 21:23:36,016 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2019-09-20 21:23:36,597 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2019-09-20 21:23:36,750 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 21:23:37,100 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 21:23:41,642 WARN L191 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-20 21:23:42,120 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-20 21:23:42,423 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-20 21:23:42,494 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:23:42,494 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:23:42,497 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 105#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) [2019-09-20 21:23:42,508 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:23:42,509 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:23:42,510 INFO L168 Benchmark]: Toolchain (without parser) took 12445.30 ms. Allocated memory was 141.0 MB in the beginning and 324.0 MB in the end (delta: 183.0 MB). Free memory was 88.5 MB in the beginning and 298.0 MB in the end (delta: -209.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:23:42,511 INFO L168 Benchmark]: CDTParser took 1.37 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:23:42,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.57 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.3 MB in the beginning and 178.7 MB in the end (delta: -90.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:42,513 INFO L168 Benchmark]: Boogie Preprocessor took 45.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.7 MB in the beginning and 176.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:42,513 INFO L168 Benchmark]: RCFGBuilder took 429.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 154.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:23:42,514 INFO L168 Benchmark]: Sifa took 11614.60 ms. Allocated memory was 200.3 MB in the beginning and 324.0 MB in the end (delta: 123.7 MB). Free memory was 154.2 MB in the beginning and 298.0 MB in the end (delta: -143.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:23:42,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.57 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.3 MB in the beginning and 178.7 MB in the end (delta: -90.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.06 ms. Allocated memory is still 200.3 MB. Free memory was 178.7 MB in the beginning and 176.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 154.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Sifa took 11614.60 ms. Allocated memory was 200.3 MB in the beginning and 324.0 MB in the end (delta: 123.7 MB). Free memory was 154.2 MB in the beginning and 298.0 MB in the end (delta: -143.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11575, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 37, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 28, TOOLS_POST_TIME[ms]: 225, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 454, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 108, TOOLS_QUANTIFIERELIM_APPLICATIONS: 37, TOOLS_QUANTIFIERELIM_TIME[ms]: 751, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 233, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 50, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 3488, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 7161, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10746, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10745, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6351, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 42]: 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 105#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...