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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/locks/test_locks_6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:32:40,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:32:40,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:32:40,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:32:40,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:32:40,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:32:40,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:32:40,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:32:40,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:32:40,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:32:40,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:32:40,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:32:40,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:32:40,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:32:40,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:32:40,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:32:40,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:32:40,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:32:40,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:32:40,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:32:40,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:32:40,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:32:40,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:32:40,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:32:40,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:32:40,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:32:40,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:32:40,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:32:40,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:32:40,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:32:40,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:32:40,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:32:40,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:32:40,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:32:40,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:32:40,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:32:40,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:32:40,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:32:40,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:32:40,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:32:40,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:32:40,101 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 [2019-10-15 06:32:40,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:32:40,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:32:40,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:32:40,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:32:40,128 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:32:40,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:32:40,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:32:40,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:32:40,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:32:40,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:32:40,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:32:40,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:32:40,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:32:40,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:32:40,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:32:40,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:32:40,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:32:40,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:32:40,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:32:40,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:32:40,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:32:40,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:32:40,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:32:40,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:32:40,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:32:40,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:32:40,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:32:40,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:32:40,134 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:32:40,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:32:40,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:32:40,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:32:40,438 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:32:40,439 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:32:40,440 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_6.c [2019-10-15 06:32:40,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35064f13b/8a6dfe14bd16473eae013f69b68e385c/FLAGa66e2a544 [2019-10-15 06:32:40,915 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:32:40,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_6.c [2019-10-15 06:32:40,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35064f13b/8a6dfe14bd16473eae013f69b68e385c/FLAGa66e2a544 [2019-10-15 06:32:41,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35064f13b/8a6dfe14bd16473eae013f69b68e385c [2019-10-15 06:32:41,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:32:41,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:32:41,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:32:41,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:32:41,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:32:41,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71325e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41, skipping insertion in model container [2019-10-15 06:32:41,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,285 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:32:41,304 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:32:41,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:32:41,494 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:32:41,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:32:41,536 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:32:41,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41 WrapperNode [2019-10-15 06:32:41,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:32:41,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:32:41,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:32:41,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:32:41,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (1/1) ... [2019-10-15 06:32:41,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:32:41,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:32:41,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:32:41,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:32:41,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:41" (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 [2019-10-15 06:32:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:32:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:32:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:32:42,162 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:32:42,162 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:32:42,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:32:42 BoogieIcfgContainer [2019-10-15 06:32:42,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:32:42,165 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:32:42,165 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:32:42,165 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:32:42,166 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:32:42" (1/1) ... [2019-10-15 06:32:42,167 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:32:42,193 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:32:42,193 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:32:42,200 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:32:42,208 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:32:42,209 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:32:42,315 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:32:42,414 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:42,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:43,334 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:43,782 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:44,177 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:44,418 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:44,613 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-15 06:32:44,801 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-15 06:32:45,077 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-15 06:32:45,261 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-10-15 06:32:45,743 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:46,192 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:47,015 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 06:32:48,062 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:48,546 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:49,025 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 06:32:49,552 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 06:32:49,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:49,974 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:50,184 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:51,111 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-10-15 06:32:51,523 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-10-15 06:32:51,704 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-10-15 06:32:51,942 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:51,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:52,259 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:52,472 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:53,930 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-15 06:32:54,066 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:54,201 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-10-15 06:32:54,368 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:54,498 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:54,650 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:54,777 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:54,912 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:55,041 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-10-15 06:32:55,184 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:55,315 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-15 06:32:55,542 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 06:32:56,091 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 06:32:56,607 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 06:32:56,861 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 06:32:57,105 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:32:57,118 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:32:57,118 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:32:57,120 INFO L168 Benchmark]: Toolchain (without parser) took 15851.04 ms. Allocated memory was 136.3 MB in the beginning and 574.1 MB in the end (delta: 437.8 MB). Free memory was 101.5 MB in the beginning and 272.3 MB in the end (delta: -170.8 MB). Peak memory consumption was 267.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,121 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.81 ms. Allocated memory is still 136.3 MB. Free memory was 101.3 MB in the beginning and 90.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,123 INFO L168 Benchmark]: Boogie Preprocessor took 122.18 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 178.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,124 INFO L168 Benchmark]: RCFGBuilder took 500.11 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 154.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,125 INFO L168 Benchmark]: Sifa took 14953.29 ms. Allocated memory was 199.8 MB in the beginning and 574.1 MB in the end (delta: 374.3 MB). Free memory was 154.9 MB in the beginning and 272.3 MB in the end (delta: -117.4 MB). Peak memory consumption was 257.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:32:57,128 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 136.3 MB. Free memory was 119.6 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.81 ms. Allocated memory is still 136.3 MB. Free memory was 101.3 MB in the beginning and 90.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.18 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.9 MB in the beginning and 178.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 500.11 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 154.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Sifa took 14953.29 ms. Allocated memory was 199.8 MB in the beginning and 574.1 MB in the end (delta: 374.3 MB). Free memory was 154.9 MB in the beginning and 272.3 MB in the end (delta: -117.4 MB). Peak memory consumption was 257.0 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]: 14913, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 119, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 105, TOOLS_POST_TIME[ms]: 118, 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: 108, TOOLS_QUANTIFIERELIM_TIME[ms]: 84, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 120, FLUID_YES_ANSWERS: 31, DOMAIN_JOIN_APPLICATIONS: 67, DOMAIN_JOIN_TIME[ms]: 4993, DOMAIN_ALPHA_APPLICATIONS: 31, DOMAIN_ALPHA_TIME[ms]: 9343, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 310, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9561, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9561, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 65, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 64, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 55, DAG_COMPRESSION_PROCESSED_NODES: 652, DAG_COMPRESSION_RETAINED_NODES: 173 - UnprovableResult [Line: 105]: 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 3056#(and (<= main_~p1~0 2147483647) (<= 0 main_~lk4~0) (<= main_~p5~0 2147483647) (<= main_~p6~0 2147483647) (<= main_~p3~0 2147483647) (<= main_~lk4~0 1) (<= main_~cond~0 2147483647) (<= 0 main_~lk1~0) (<= 0 (+ main_~p1~0 2147483648)) (<= 0 main_~lk6~0) (<= 0 (+ main_~cond~0 2147483648)) (<= main_~p2~0 2147483647) (<= 0 main_~lk5~0) (<= 0 main_~lk2~0) (<= 0 (+ main_~p3~0 2147483648)) (<= main_~lk3~0 1) (<= 0 (+ main_~p4~0 2147483648)) (<= main_~lk6~0 1) (<= 0 (+ main_~p2~0 2147483648)) (<= 0 (+ main_~p5~0 2147483648)) (<= 0 (+ main_~p6~0 2147483648)) (<= main_~lk2~0 1) (<= 0 main_~lk3~0) (<= main_~lk1~0 1) (<= main_~lk5~0 1) (<= main_~p4~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...