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/array-examples/data_structures_set_multi_proc_trivial_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:49:54,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:49:54,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:49:54,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:49:54,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:49:54,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:49:54,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:49:54,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:49:54,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:49:54,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:49:54,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:49:54,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:49:54,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:49:54,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:49:54,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:49:54,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:49:54,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:49:54,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:49:54,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:49:54,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:49:54,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:49:54,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:49:54,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:49:54,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:49:54,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:49:54,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:49:54,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:49:54,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:49:54,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:49:54,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:49:54,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:49:54,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:49:54,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:49:54,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:49:54,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:49:54,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:49:54,418 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 [2019-09-16 17:49:54,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:49:54,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:49:54,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:49:54,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:49:54,442 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:49:54,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:49:54,442 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:49:54,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:49:54,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:49:54,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:49:54,444 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:49:54,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:49:54,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:49:54,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:49:54,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:49:54,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:49:54,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:49:54,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:49:54,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:49:54,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:49:54,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:49:54,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:49:54,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:49:54,446 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 [2019-09-16 17:49:54,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:49:54,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:49:54,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:49:54,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:49:54,495 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:49:54,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-16 17:49:54,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52191a77/6e02450009b54186bf7ffd4f5e2a493a/FLAG52b227bec [2019-09-16 17:49:55,022 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:49:55,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-09-16 17:49:55,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52191a77/6e02450009b54186bf7ffd4f5e2a493a/FLAG52b227bec [2019-09-16 17:49:55,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e52191a77/6e02450009b54186bf7ffd4f5e2a493a [2019-09-16 17:49:55,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:49:55,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:49:55,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:49:55,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:49:55,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:49:55,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e6b981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55, skipping insertion in model container [2019-09-16 17:49:55,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:49:55,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:49:55,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:49:55,690 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:49:55,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:49:55,816 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:49:55,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55 WrapperNode [2019-09-16 17:49:55,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:49:55,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:49:55,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:49:55,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:49:55,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (1/1) ... [2019-09-16 17:49:55,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:49:55,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:49:55,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:49:55,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:49:55,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:49:55" (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 [2019-09-16 17:49:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:49:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:49:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:49:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure insert [2019-09-16 17:49:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure elem_exists [2019-09-16 17:49:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:49:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:49:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:49:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:49:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure insert [2019-09-16 17:49:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:49:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure elem_exists [2019-09-16 17:49:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:49:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:49:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:49:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:49:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:49:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:49:56,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:49:56,447 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-16 17:49:56,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:49:56 BoogieIcfgContainer [2019-09-16 17:49:56,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:49:56,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:49:56,450 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:49:56,450 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:49:56,451 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:49:56" (1/1) ... [2019-09-16 17:49:56,451 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 [2019-09-16 17:49:56,483 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:49:56,484 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:49:56,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:49:56,507 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:49:56,509 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:49:56,635 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-16 17:49:58,489 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 72 [2019-09-16 17:49:59,628 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-16 17:50:00,221 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 84 [2019-09-16 17:50:02,273 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 113 [2019-09-16 17:50:02,514 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-16 17:50:06,658 WARN L191 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 306 DAG size of output: 137 [2019-09-16 17:50:07,267 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-16 17:50:07,651 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-16 17:50:08,138 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 17:50:08,443 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-16 17:50:11,301 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-09-16 17:50:11,518 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-16 17:50:11,693 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-16 17:50:11,887 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-16 17:50:13,083 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-16 17:50:13,268 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-16 17:50:13,482 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-16 17:50:15,721 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2019-09-16 17:50:16,048 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-16 17:50:16,294 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-16 17:50:16,526 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-16 17:50:21,526 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 17:50:23,979 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2019-09-16 17:50:25,968 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2019-09-16 17:50:26,224 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-16 17:50:26,402 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-16 17:50:26,595 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-16 17:50:27,744 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-16 17:50:27,894 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-16 17:50:28,071 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-16 17:50:32,189 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 17:50:36,206 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 66 [2019-09-16 17:50:36,207 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 66 for LOIs [2019-09-16 17:50:36,222 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:50:36,222 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:50:36,225 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1545#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-16 17:50:36,239 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:50:36,239 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:50:36,240 INFO L168 Benchmark]: Toolchain (without parser) took 40797.04 ms. Allocated memory was 138.9 MB in the beginning and 437.8 MB in the end (delta: 298.8 MB). Free memory was 86.7 MB in the beginning and 89.8 MB in the end (delta: -3.1 MB). Peak memory consumption was 295.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,241 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.84 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 175.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,242 INFO L168 Benchmark]: Boogie Preprocessor took 48.25 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 174.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,243 INFO L168 Benchmark]: RCFGBuilder took 582.86 ms. Allocated memory is still 198.7 MB. Free memory was 174.0 MB in the beginning and 141.2 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,243 INFO L168 Benchmark]: Sifa took 39789.48 ms. Allocated memory was 198.7 MB in the beginning and 437.8 MB in the end (delta: 239.1 MB). Free memory was 141.2 MB in the beginning and 89.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 290.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:50:36,245 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.84 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 175.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.25 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 174.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 582.86 ms. Allocated memory is still 198.7 MB. Free memory was 174.0 MB in the beginning and 141.2 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Sifa took 39789.48 ms. Allocated memory was 198.7 MB in the beginning and 437.8 MB in the end (delta: 239.1 MB). Free memory was 141.2 MB in the beginning and 89.8 MB in the end (delta: 51.4 MB). Peak memory consumption was 290.5 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]: 39741, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 896, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 652, TOOLS_POST_TIME[ms]: 8109, TOOLS_POST_CALL_APPLICATIONS: 129, TOOLS_POST_CALL_TIME[ms]: 268, TOOLS_POST_RETURN_APPLICATIONS: 125, TOOLS_POST_RETURN_TIME[ms]: 179, TOOLS_QUANTIFIERELIM_APPLICATIONS: 906, TOOLS_QUANTIFIERELIM_TIME[ms]: 8375, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4270, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 1010, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 233, DOMAIN_JOIN_TIME[ms]: 25418, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 47, DOMAIN_WIDEN_TIME[ms]: 5333, DOMAIN_ISSUBSETEQ_APPLICATIONS: 114, DOMAIN_ISSUBSETEQ_TIME[ms]: 106, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 73, LOOP_SUMMARIZER_APPLICATIONS: 67, LOOP_SUMMARIZER_CACHE_MISSES: 67, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 23637, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23636, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 114, CALL_SUMMARIZER_APPLICATIONS: 125, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 495, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 494, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 78, DAG_COMPRESSION_PROCESSED_NODES: 2051, DAG_COMPRESSION_RETAINED_NODES: 481 - UnprovableResult [Line: 2]: 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 1545#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...