java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 07:02:35,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 07:02:35,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 07:02:35,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 07:02:35,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 07:02:35,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 07:02:35,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 07:02:35,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 07:02:35,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 07:02:35,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 07:02:35,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 07:02:35,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 07:02:35,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 07:02:35,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 07:02:35,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 07:02:35,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 07:02:35,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 07:02:35,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 07:02:35,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 07:02:35,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 07:02:35,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 07:02:35,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 07:02:35,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 07:02:35,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 07:02:35,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 07:02:35,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 07:02:35,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 07:02:35,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 07:02:35,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 07:02:35,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 07:02:35,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 07:02:35,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 07:02:35,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 07:02:35,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 07:02:35,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 07:02:35,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 07:02:35,250 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 [2019-09-19 07:02:35,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 07:02:35,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 07:02:35,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 07:02:35,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 07:02:35,269 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 07:02:35,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 07:02:35,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 07:02:35,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 07:02:35,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 07:02:35,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 07:02:35,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 07:02:35,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 07:02:35,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 07:02:35,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 07:02:35,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 07:02:35,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 07:02:35,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 07:02:35,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 07:02:35,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 07:02:35,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 07:02:35,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 07:02:35,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:02:35,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 07:02:35,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 07:02:35,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 07:02:35,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 07:02:35,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 07:02:35,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 07:02:35,336 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 07:02:35,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-19 07:02:35,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc1fa41f/8a74335400f24b619194149c97d61d96/FLAGf37c9e973 [2019-09-19 07:02:35,825 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 07:02:35,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-19 07:02:35,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc1fa41f/8a74335400f24b619194149c97d61d96/FLAGf37c9e973 [2019-09-19 07:02:36,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc1fa41f/8a74335400f24b619194149c97d61d96 [2019-09-19 07:02:36,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 07:02:36,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 07:02:36,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 07:02:36,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 07:02:36,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 07:02:36,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bfd79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36, skipping insertion in model container [2019-09-19 07:02:36,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,233 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 07:02:36,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 07:02:36,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:02:36,492 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 07:02:36,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:02:36,640 INFO L192 MainTranslator]: Completed translation [2019-09-19 07:02:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36 WrapperNode [2019-09-19 07:02:36,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 07:02:36,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 07:02:36,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 07:02:36,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 07:02:36,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (1/1) ... [2019-09-19 07:02:36,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 07:02:36,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 07:02:36,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 07:02:36,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 07:02:36,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:02:36" (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 [2019-09-19 07:02:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 07:02:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 07:02:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 07:02:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2019-09-19 07:02:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2019-09-19 07:02:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 07:02:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 07:02:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 07:02:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 07:02:36,745 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2019-09-19 07:02:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 07:02:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2019-09-19 07:02:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 07:02:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 07:02:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 07:02:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 07:02:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 07:02:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 07:02:37,322 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 07:02:37,322 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-19 07:02:37,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:02:37 BoogieIcfgContainer [2019-09-19 07:02:37,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 07:02:37,324 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 07:02:37,324 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 07:02:37,324 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 07:02:37,326 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:02:37" (1/1) ... [2019-09-19 07:02:37,326 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 07:02:37,349 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 07:02:37,349 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 07:02:37,357 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 07:02:37,365 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 07:02:37,367 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 07:02:37,518 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-19 07:02:39,352 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 07:02:45,453 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-19 07:02:45,920 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-19 07:02:46,563 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-19 07:02:46,671 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-19 07:02:46,976 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-19 07:02:47,472 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 07:02:47,827 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-19 07:02:49,294 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 148 [2019-09-19 07:02:50,127 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2019-09-19 07:02:50,885 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 07:02:51,091 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-19 07:02:51,509 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-19 07:02:55,192 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 07:02:55,498 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 07:02:55,805 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 07:02:56,082 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 07:02:57,997 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2019-09-19 07:02:58,280 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 07:03:02,229 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-19 07:03:03,627 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-19 07:03:06,518 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-19 07:03:09,468 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-19 07:03:12,630 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2019-09-19 07:03:14,162 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2019-09-19 07:03:18,286 WARN L191 SmtUtils]: Spent 4.05 s on a formula simplification that was a NOOP. DAG size: 173 [2019-09-19 07:03:18,721 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-19 07:03:19,044 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2019-09-19 07:03:19,363 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2019-09-19 07:03:20,341 WARN L191 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2019-09-19 07:03:20,919 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 165 [2019-09-19 07:03:23,130 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 196 [2019-09-19 07:03:52,374 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-09-19 07:03:52,376 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:118) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:178) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.simplify(SmtUtils.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm(BasicPredicateFactory.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTermFromPreds(BasicPredicateFactory.java:188) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.orTermFromPreds(BasicPredicateFactory.java:177) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.or(BasicPredicateFactory.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.or(BasicPredicateFactory.java:129) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.or(SymbolicTools.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.join(ExplicitValueDomain.java:60) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.widen(ExplicitValueDomain.java:68) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.widen(StatsWrapperDomain.java:60) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:128) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1428) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:631) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 54 more [2019-09-19 07:03:52,380 INFO L168 Benchmark]: Toolchain (without parser) took 76164.29 ms. Allocated memory was 138.9 MB in the beginning and 364.4 MB in the end (delta: 225.4 MB). Free memory was 85.8 MB in the beginning and 267.9 MB in the end (delta: -182.1 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,381 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.59 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.6 MB in the beginning and 177.7 MB in the end (delta: -92.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,382 INFO L168 Benchmark]: Boogie Preprocessor took 44.33 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,383 INFO L168 Benchmark]: RCFGBuilder took 633.81 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 142.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,384 INFO L168 Benchmark]: Sifa took 75054.32 ms. Allocated memory was 199.8 MB in the beginning and 364.4 MB in the end (delta: 164.6 MB). Free memory was 142.9 MB in the beginning and 267.9 MB in the end (delta: -125.0 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:03:52,388 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 138.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 424.59 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 85.6 MB in the beginning and 177.7 MB in the end (delta: -92.1 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.33 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 175.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 633.81 ms. Allocated memory is still 199.8 MB. Free memory was 175.2 MB in the beginning and 142.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Sifa took 75054.32 ms. Allocated memory was 199.8 MB in the beginning and 364.4 MB in the end (delta: 164.6 MB). Free memory was 142.9 MB in the beginning and 267.9 MB in the end (delta: -125.0 MB). Peak memory consumption was 39.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.sifa: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...