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/loops/linear_search.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 06:57:53,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 06:57:53,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 06:57:53,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 06:57:53,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 06:57:53,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 06:57:53,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 06:57:53,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 06:57:53,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 06:57:53,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 06:57:53,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 06:57:53,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 06:57:53,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 06:57:53,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 06:57:53,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 06:57:53,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 06:57:53,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 06:57:53,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 06:57:53,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 06:57:53,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 06:57:53,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 06:57:53,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 06:57:53,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 06:57:53,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 06:57:53,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 06:57:53,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 06:57:53,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 06:57:53,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 06:57:53,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 06:57:53,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 06:57:53,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 06:57:53,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 06:57:53,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 06:57:53,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 06:57:53,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 06:57:53,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 06:57:53,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 06:57:53,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 06:57:53,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 06:57:53,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 06:57:53,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 06:57:53,438 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 06:57:53,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 06:57:53,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 06:57:53,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 06:57:53,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 06:57:53,456 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 06:57:53,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 06:57:53,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 06:57:53,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 06:57:53,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 06:57:53,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 06:57:53,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 06:57:53,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 06:57:53,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 06:57:53,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 06:57:53,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 06:57:53,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 06:57:53,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 06:57:53,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 06:57:53,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 06:57:53,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 06:57:53,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 06:57:53,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 06:57:53,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 06:57:53,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 06:57:53,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 06:57:53,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 06:57:53,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 06:57:53,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 06:57:53,461 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 06:57:53,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 06:57:53,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 06:57:53,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 06:57:53,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 06:57:53,510 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 06:57:53,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_search.c [2019-09-19 06:57:53,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6df83440/36b74101b58e493e8930721d87f7a2aa/FLAG08a52e38c [2019-09-19 06:57:54,033 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 06:57:54,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_search.c [2019-09-19 06:57:54,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6df83440/36b74101b58e493e8930721d87f7a2aa/FLAG08a52e38c [2019-09-19 06:57:54,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6df83440/36b74101b58e493e8930721d87f7a2aa [2019-09-19 06:57:54,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 06:57:54,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 06:57:54,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 06:57:54,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 06:57:54,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 06:57:54,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb48428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54, skipping insertion in model container [2019-09-19 06:57:54,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,447 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 06:57:54,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 06:57:54,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:57:54,674 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 06:57:54,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:57:54,706 INFO L192 MainTranslator]: Completed translation [2019-09-19 06:57:54,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54 WrapperNode [2019-09-19 06:57:54,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 06:57:54,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 06:57:54,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 06:57:54,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 06:57:54,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (1/1) ... [2019-09-19 06:57:54,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 06:57:54,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 06:57:54,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 06:57:54,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 06:57:54,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:57:54" (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 06:57:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 06:57:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 06:57:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 06:57:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-09-19 06:57:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 06:57:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 06:57:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 06:57:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 06:57:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-19 06:57:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 06:57:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 06:57:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 06:57:55,291 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 06:57:55,291 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-19 06:57:55,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:57:55 BoogieIcfgContainer [2019-09-19 06:57:55,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 06:57:55,293 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 06:57:55,293 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 06:57:55,294 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 06:57:55,295 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:57:55" (1/1) ... [2019-09-19 06:57:55,296 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 06:57:55,324 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 06:57:55,326 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 06:57:55,337 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 06:57:55,348 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 06:57:55,349 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 06:57:55,530 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-19 06:57:55,926 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2019-09-19 06:57:56,345 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 61 [2019-09-19 06:57:56,472 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-19 06:57:56,776 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-09-19 06:57:56,918 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-19 06:57:57,236 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2019-09-19 06:57:57,393 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-19 06:57:57,974 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-19 06:57:58,190 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 06:57:58,715 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-19 06:57:58,906 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 06:57:59,588 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 94 [2019-09-19 06:57:59,841 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-19 06:58:00,470 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2019-09-19 06:58:00,713 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 06:58:01,277 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-19 06:58:01,511 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-19 06:58:02,186 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2019-09-19 06:58:02,389 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 24 for LOIs [2019-09-19 06:58:02,424 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 06:58:02,425 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 06:58:02,427 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 69#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-19 06:58:02,440 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 06:58:02,441 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 06:58:02,442 INFO L168 Benchmark]: Toolchain (without parser) took 8008.82 ms. Allocated memory was 134.7 MB in the beginning and 289.4 MB in the end (delta: 154.7 MB). Free memory was 89.6 MB in the beginning and 113.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 130.5 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,444 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.06 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,446 INFO L168 Benchmark]: Boogie Preprocessor took 133.70 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 177.3 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,447 INFO L168 Benchmark]: RCFGBuilder took 450.76 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 157.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,448 INFO L168 Benchmark]: Sifa took 7147.64 ms. Allocated memory was 201.3 MB in the beginning and 289.4 MB in the end (delta: 88.1 MB). Free memory was 157.8 MB in the beginning and 113.7 MB in the end (delta: 44.1 MB). Peak memory consumption was 132.2 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:02,452 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 134.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.06 ms. Allocated memory is still 134.7 MB. Free memory was 89.4 MB in the beginning and 79.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.70 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 79.3 MB in the beginning and 177.3 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.76 ms. Allocated memory is still 201.3 MB. Free memory was 177.3 MB in the beginning and 157.8 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Sifa took 7147.64 ms. Allocated memory was 201.3 MB in the beginning and 289.4 MB in the end (delta: 88.1 MB). Free memory was 157.8 MB in the beginning and 113.7 MB in the end (delta: 44.1 MB). Peak memory consumption was 132.2 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]: 7104, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 211, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 273, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 95, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 3492, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 12, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 3172, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6644, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6643, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6781, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 40 - UnprovableResult [Line: 6]: 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 69#(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...