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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:47:25,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:47:25,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:47:25,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:47:25,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:47:25,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:47:25,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:47:25,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:47:25,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:47:25,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:47:25,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:47:25,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:47:25,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:47:25,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:47:25,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:47:25,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:47:25,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:47:25,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:47:25,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:47:25,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:47:25,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:47:25,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:47:25,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:47:25,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:47:25,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:47:25,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:47:25,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:47:25,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:47:25,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:47:25,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:47:25,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:47:25,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:47:25,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:47:25,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:47:25,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:47:25,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:47:25,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:47:25,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:47:25,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:47:25,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:47:25,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:47:25,568 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 [2019-09-17 15:47:25,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:47:25,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:47:25,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:47:25,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:47:25,588 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:47:25,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:47:25,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:47:25,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:47:25,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:47:25,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:47:25,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:47:25,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:47:25,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:47:25,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:47:25,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:47:25,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:47:25,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:47:25,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:47:25,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:47:25,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:47:25,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:47:25,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:47:25,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:47:25,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:47:25,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:47:25,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:47:25,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:47:25,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:47:25,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_DDA [2019-09-17 15:47:25,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:47:25,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:47:25,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:47:25,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:47:25,648 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:47:25,648 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-09-17 15:47:25,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e747d4546/d54105c37f2e4fcea2322a73568fa56f/FLAG72f36d34d [2019-09-17 15:47:26,238 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:47:26,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-09-17 15:47:26,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e747d4546/d54105c37f2e4fcea2322a73568fa56f/FLAG72f36d34d [2019-09-17 15:47:26,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e747d4546/d54105c37f2e4fcea2322a73568fa56f [2019-09-17 15:47:26,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:47:26,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:47:26,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:47:26,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:47:26,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:47:26,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:47:26" (1/1) ... [2019-09-17 15:47:26,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e82d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:26, skipping insertion in model container [2019-09-17 15:47:26,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:47:26" (1/1) ... [2019-09-17 15:47:26,556 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:47:26,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:47:26,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:47:26,997 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:47:27,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:47:27,081 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:47:27,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27 WrapperNode [2019-09-17 15:47:27,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:47:27,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:47:27,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:47:27,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:47:27,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (1/1) ... [2019-09-17 15:47:27,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:47:27,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:47:27,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:47:27,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:47:27,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:47:27" (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 [2019-09-17 15:47:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:47:27,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:47:27,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:47:27,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:47:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-17 15:47:27,247 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-17 15:47:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:47:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:47:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 15:47:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 15:47:27,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 15:47:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 15:47:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 15:47:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:47:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:47:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 15:47:27,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 15:47:28,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:47:28,095 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 15:47:28,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:47:28 BoogieIcfgContainer [2019-09-17 15:47:28,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:47:28,097 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:47:28,097 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:47:28,098 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:47:28,099 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:47:28" (1/1) ... [2019-09-17 15:47:28,100 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 15:47:28,133 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:47:28,133 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:47:28,141 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:47:28,152 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:47:28,153 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:47:28,493 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 15:47:28,770 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-17 15:47:28,887 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-17 15:47:29,262 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-17 15:47:29,270 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 92 for LOIs [2019-09-17 15:48:18,905 WARN L191 SmtUtils]: Spent 25.34 s on a formula simplification that was a NOOP. DAG size: 936 [2019-09-17 15:48:53,078 WARN L191 SmtUtils]: Spent 14.11 s on a formula simplification that was a NOOP. DAG size: 975 [2019-09-17 15:49:23,839 WARN L191 SmtUtils]: Spent 30.67 s on a formula simplification. DAG size of input: 1036 DAG size of output: 1004 [2019-09-17 15:49:38,891 WARN L191 SmtUtils]: Spent 15.05 s on a formula simplification that was a NOOP. DAG size: 1004 [2019-09-17 15:49:39,068 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 15:50:09,472 WARN L191 SmtUtils]: Spent 30.40 s on a formula simplification. DAG size of input: 1034 DAG size of output: 1013 [2019-09-17 15:50:59,175 WARN L191 SmtUtils]: Spent 49.68 s on a formula simplification. DAG size of input: 1039 DAG size of output: 1029 [2019-09-17 15:51:24,044 WARN L191 SmtUtils]: Spent 24.87 s on a formula simplification that was a NOOP. DAG size: 1029 [2019-09-17 15:52:15,623 WARN L191 SmtUtils]: Spent 51.56 s on a formula simplification. DAG size of input: 1038 DAG size of output: 1026 [2019-09-17 15:52:20,545 WARN L191 SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 1030 DAG size of output: 27 [2019-09-17 15:52:35,269 WARN L191 SmtUtils]: Spent 14.58 s on a formula simplification that was a NOOP. DAG size: 1004 [2019-09-17 15:52:35,395 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:52:35,395 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:52:35,397 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__Id_MCDC_92~0) (<= 0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= main_~__tmp_2~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (<= main_~__VERIFIER_assert__Id_MCDC_92~0 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)) [2019-09-17 15:52:35,413 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:52:35,414 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:52:35,416 INFO L168 Benchmark]: Toolchain (without parser) took 308876.46 ms. Allocated memory was 135.3 MB in the beginning and 142.6 MB in the end (delta: 7.3 MB). Free memory was 84.9 MB in the beginning and 82.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-17 15:52:35,418 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:52:35,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.42 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 84.7 MB in the beginning and 168.6 MB in the end (delta: -83.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-17 15:52:35,426 INFO L168 Benchmark]: Boogie Preprocessor took 78.13 ms. Allocated memory is still 198.2 MB. Free memory was 168.6 MB in the beginning and 165.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:52:35,426 INFO L168 Benchmark]: RCFGBuilder took 936.05 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 90.3 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2019-09-17 15:52:35,427 INFO L168 Benchmark]: Sifa took 307316.68 ms. Allocated memory was 198.2 MB in the beginning and 142.6 MB in the end (delta: -55.6 MB). Free memory was 90.3 MB in the beginning and 82.1 MB in the end (delta: 8.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 15:52:35,433 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 135.3 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.42 ms. Allocated memory was 135.3 MB in the beginning and 198.2 MB in the end (delta: 62.9 MB). Free memory was 84.7 MB in the beginning and 168.6 MB in the end (delta: -83.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.13 ms. Allocated memory is still 198.2 MB. Free memory was 168.6 MB in the beginning and 165.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 936.05 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 90.3 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. * Sifa took 307316.68 ms. Allocated memory was 198.2 MB in the beginning and 142.6 MB in the end (delta: -55.6 MB). Free memory was 90.3 MB in the beginning and 82.1 MB in the end (delta: 8.1 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]: 307265, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 26, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 84688, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 84674, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 83793, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 91612, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 130782, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 24, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 207563, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 207563, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1050, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1050, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 76, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 191]: 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 66#(and (= main_~__tmp_2~0 main_~__VERIFIER_assert__Id_MCDC_92~0) (<= 0 main_~__VERIFIER_assert__Id_MCDC_92~0) (= main_~__tmp_2~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (<= main_~__VERIFIER_assert__Id_MCDC_92~0 0) (= ~Id_MCDC_93~0 main_~Id_MCDC_89__Id_MCDC_96~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...