java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/locks/test_locks_13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:07:31,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:07:31,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:07:31,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:07:31,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:07:31,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:07:31,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:07:31,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:07:31,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:07:31,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:07:31,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:07:31,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:07:31,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:07:31,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:07:31,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:07:31,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:07:31,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:07:31,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:07:31,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:07:31,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:07:31,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:07:31,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:07:31,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:07:31,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:07:31,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:07:31,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:07:31,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:07:31,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:07:31,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:07:31,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:07:31,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:07:31,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:07:31,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:07:31,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:07:31,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:07:31,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:07:31,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:07:31,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:07:31,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:07:31,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:07:31,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:07:31,297 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 14:07:31,310 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:07:31,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:07:31,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:07:31,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:07:31,312 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:07:31,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:07:31,313 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:07:31,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:07:31,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:07:31,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:07:31,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:07:31,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:07:31,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:07:31,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:07:31,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:07:31,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:07:31,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:07:31,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:07:31,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:07:31,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:07:31,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:07:31,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:07:31,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:07:31,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:07:31,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:07:31,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:07:31,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:07:31,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:07:31,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 14:07:31,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:07:31,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:07:31,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:07:31,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:07:31,364 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:07:31,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_13.c [2019-09-20 14:07:31,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db83bfad2/478cb3197b174fa8bf48507bca10bbba/FLAG0eb70c0f9 [2019-09-20 14:07:31,873 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:07:31,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_13.c [2019-09-20 14:07:31,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db83bfad2/478cb3197b174fa8bf48507bca10bbba/FLAG0eb70c0f9 [2019-09-20 14:07:32,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db83bfad2/478cb3197b174fa8bf48507bca10bbba [2019-09-20 14:07:32,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:07:32,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:07:32,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:07:32,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:07:32,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:07:32,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308413e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32, skipping insertion in model container [2019-09-20 14:07:32,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:07:32,306 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:07:32,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:07:32,546 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:07:32,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:07:32,681 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:07:32,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32 WrapperNode [2019-09-20 14:07:32,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:07:32,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:07:32,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:07:32,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:07:32,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (1/1) ... [2019-09-20 14:07:32,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:07:32,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:07:32,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:07:32,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:07:32,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:07:32" (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 14:07:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:07:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:07:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:07:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:07:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:07:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:07:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:07:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:07:33,356 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:07:33,356 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 14:07:33,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:07:33 BoogieIcfgContainer [2019-09-20 14:07:33,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:07:33,358 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:07:33,358 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:07:33,359 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:07:33,360 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:07:33" (1/1) ... [2019-09-20 14:07:33,360 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 14:07:33,384 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:07:33,384 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:07:33,392 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:07:33,400 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:07:33,402 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:07:33,458 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 14:07:33,617 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-09-20 14:07:33,806 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8192 conjuctions. This might take some time... [2019-09-20 14:07:55,586 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 14:07:55,768 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:07:55,972 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:07:56,734 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:07:56,951 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:07:57,205 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:07:57,454 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:07:57,700 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:07:57,988 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 14:07:58,101 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 14:07:58,306 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 14:07:58,491 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 14:07:58,493 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-09-20 14:07:58,569 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8192 conjuctions. This might take some time... [2019-09-20 14:08:11,339 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:08:11,548 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:08:13,219 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:08:13,424 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:08:14,632 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:08:15,787 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 14:08:15,986 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 14:08:16,245 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 14:08:18,282 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:08:18,283 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:08:18,285 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17676#true [2019-09-20 14:08:18,297 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:08:18,298 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:08:18,299 INFO L168 Benchmark]: Toolchain (without parser) took 46040.58 ms. Allocated memory was 137.9 MB in the beginning and 506.5 MB in the end (delta: 368.6 MB). Free memory was 84.3 MB in the beginning and 110.5 MB in the end (delta: -26.2 MB). Peak memory consumption was 342.4 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:18,300 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 102.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 14:08:18,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.07 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 83.9 MB in the beginning and 176.7 MB in the end (delta: -92.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:18,302 INFO L168 Benchmark]: Boogie Preprocessor took 33.08 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:18,302 INFO L168 Benchmark]: RCFGBuilder took 642.37 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 131.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:18,303 INFO L168 Benchmark]: Sifa took 44939.44 ms. Allocated memory was 198.7 MB in the beginning and 506.5 MB in the end (delta: 307.8 MB). Free memory was 131.9 MB in the beginning and 110.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 329.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:18,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 102.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 422.07 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 83.9 MB in the beginning and 176.7 MB in the end (delta: -92.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.08 ms. Allocated memory is still 198.7 MB. Free memory was 176.7 MB in the beginning and 174.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 642.37 ms. Allocated memory is still 198.7 MB. Free memory was 174.4 MB in the beginning and 131.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Sifa took 44939.44 ms. Allocated memory was 198.7 MB in the beginning and 506.5 MB in the end (delta: 307.8 MB). Free memory was 131.9 MB in the beginning and 110.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 329.2 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]: 44901, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 447, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 382, TOOLS_POST_TIME[ms]: 124, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 385, TOOLS_QUANTIFIERELIM_TIME[ms]: 81, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 448, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 300, DOMAIN_JOIN_TIME[ms]: 18580, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 25797, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 181, DOMAIN_ISBOTTOM_TIME[ms]: 153, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10917, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10917, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 19, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 101, DAG_COMPRESSION_PROCESSED_NODES: 3087, DAG_COMPRESSION_RETAINED_NODES: 885 - UnprovableResult [Line: 203]: 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 17676#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...