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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:28:07,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:28:07,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:28:07,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:28:07,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:28:07,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:28:07,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:28:07,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:28:07,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:28:07,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:28:07,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:28:07,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:28:07,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:28:07,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:28:07,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:28:07,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:28:07,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:28:07,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:28:07,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:28:07,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:28:07,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:28:07,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:28:07,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:28:07,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:28:07,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:28:07,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:28:07,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:28:07,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:28:07,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:28:07,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:28:07,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:28:07,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:28:07,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:28:07,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:28:07,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:28:07,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:28:07,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:28:07,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:28:07,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:28:07,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:28:07,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:28:07,658 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 18:28:07,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:28:07,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:28:07,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:28:07,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:28:07,675 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:28:07,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:28:07,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:28:07,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:28:07,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:28:07,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:28:07,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:28:07,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:28:07,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:28:07,677 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:28:07,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:28:07,677 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:28:07,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:28:07,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:28:07,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:28:07,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:28:07,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:28:07,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:28:07,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:28:07,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:28:07,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:28:07,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:28:07,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:28:07,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:28:07,680 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 -> SequenceOfStatements 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 [2019-09-20 18:28:07,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:28:07,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:28:07,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:28:07,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:28:07,749 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:28:07,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 18:28:07,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0687b3c7/3d863234d80248b98de74c675d75a19b/FLAGf23ca339c [2019-09-20 18:28:08,272 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:28:08,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 18:28:08,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0687b3c7/3d863234d80248b98de74c675d75a19b/FLAGf23ca339c [2019-09-20 18:28:08,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0687b3c7/3d863234d80248b98de74c675d75a19b [2019-09-20 18:28:08,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:28:08,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:28:08,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:08,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:28:08,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:28:08,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:08" (1/1) ... [2019-09-20 18:28:08,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bd2f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:08, skipping insertion in model container [2019-09-20 18:28:08,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:28:08" (1/1) ... [2019-09-20 18:28:08,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:28:08,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:28:09,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:09,052 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:28:09,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:28:09,202 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:28:09,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09 WrapperNode [2019-09-20 18:28:09,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:28:09,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:28:09,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:28:09,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:28:09,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:28:09,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:28:09,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:28:09,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:28:09,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:28:09" (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 18:28:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:28:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 18:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 18:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 18:28:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:28:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:28:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:28:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 18:28:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 18:28:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:28:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:28:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:28:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:28:09,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:28:09,694 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:28:09,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:09 BoogieIcfgContainer [2019-09-20 18:28:09,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:28:09,695 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:28:09,696 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:28:09,696 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:28:09,697 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:28:09" (1/1) ... [2019-09-20 18:28:09,698 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:28:09,716 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:28:09,716 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:28:09,722 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:28:09,732 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:28:09,733 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:28:10,254 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 39 for LOIs [2019-09-20 18:28:10,445 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 18:28:10,588 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 18:28:11,011 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,022 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,032 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,042 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,116 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,127 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:28:11,965 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-20 18:28:12,729 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 18:28:13,099 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 18:28:13,798 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 18:28:14,478 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 18:28:15,924 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 18:28:16,604 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 18:28:18,605 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-09-20 18:28:18,726 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:28:18,726 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:28:18,728 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 75#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))) [2019-09-20 18:28:18,738 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:28:18,738 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:28:18,740 INFO L168 Benchmark]: Toolchain (without parser) took 10024.91 ms. Allocated memory was 134.2 MB in the beginning and 325.6 MB in the end (delta: 191.4 MB). Free memory was 90.2 MB in the beginning and 160.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,741 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.06 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.0 MB in the beginning and 176.8 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,743 INFO L168 Benchmark]: Boogie Preprocessor took 51.30 ms. Allocated memory is still 201.3 MB. Free memory was 176.8 MB in the beginning and 175.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,743 INFO L168 Benchmark]: RCFGBuilder took 439.58 ms. Allocated memory is still 201.3 MB. Free memory was 175.0 MB in the beginning and 157.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,744 INFO L168 Benchmark]: Sifa took 9042.95 ms. Allocated memory was 201.3 MB in the beginning and 325.6 MB in the end (delta: 124.3 MB). Free memory was 157.8 MB in the beginning and 160.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 121.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:28:18,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 487.06 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 90.0 MB in the beginning and 176.8 MB in the end (delta: -86.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.30 ms. Allocated memory is still 201.3 MB. Free memory was 176.8 MB in the beginning and 175.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.58 ms. Allocated memory is still 201.3 MB. Free memory was 175.0 MB in the beginning and 157.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Sifa took 9042.95 ms. Allocated memory was 201.3 MB in the beginning and 325.6 MB in the end (delta: 124.3 MB). Free memory was 157.8 MB in the beginning and 160.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 121.6 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]: 9013, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 39, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 29, TOOLS_POST_TIME[ms]: 1778, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME[ms]: 1944, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1056, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 42, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 3570, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 3372, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6644, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6643, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 969, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 969, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 100, DAG_COMPRESSION_RETAINED_NODES: 54 - UnprovableResult [Line: 50]: 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 75#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...