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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:44:25,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:44:25,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:44:25,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:44:25,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:44:25,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:44:25,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:44:25,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:44:25,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:44:25,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:44:25,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:44:25,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:44:25,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:44:25,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:44:25,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:44:25,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:44:25,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:44:25,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:44:25,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:44:25,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:44:25,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:44:25,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:44:25,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:44:25,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:44:25,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:44:25,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:44:25,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:44:25,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:44:25,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:44:25,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:44:25,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:44:25,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:44:25,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:44:25,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:44:25,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:44:25,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:44:25,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:44:25,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:44:25,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:44:25,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:44:25,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:44:25,475 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 17:44:25,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:44:25,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:44:25,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:44:25,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:44:25,502 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:44:25,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:44:25,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:44:25,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:44:25,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:44:25,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:44:25,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:44:25,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:44:25,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:44:25,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:44:25,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:44:25,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:44:25,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:44:25,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:44:25,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:44:25,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:44:25,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:44:25,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:44:25,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:44:25,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:44:25,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:44:25,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:44:25,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:44:25,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:44:25,509 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 17:44:25,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:44:25,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:44:25,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:44:25,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:44:25,582 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:44:25,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-09-16 17:44:25,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6901a1581/3850be2a6f044e0f9e436002708a330d/FLAG54af26759 [2019-09-16 17:44:26,142 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:44:26,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-09-16 17:44:26,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6901a1581/3850be2a6f044e0f9e436002708a330d/FLAG54af26759 [2019-09-16 17:44:26,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6901a1581/3850be2a6f044e0f9e436002708a330d [2019-09-16 17:44:26,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:44:26,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:44:26,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:44:26,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:44:26,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:44:26,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5074f6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26, skipping insertion in model container [2019-09-16 17:44:26,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:44:26,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:44:26,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:44:26,799 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:44:26,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:44:26,930 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:44:26,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26 WrapperNode [2019-09-16 17:44:26,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:44:26,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:44:26,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:44:26,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:44:26,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (1/1) ... [2019-09-16 17:44:26,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:44:26,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:44:26,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:44:26,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:44:26,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:44:26" (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 17:44:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:44:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:44:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:44:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:44:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:44:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:44:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:44:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:44:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:44:27,458 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:44:27,459 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-16 17:44:27,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:44:27 BoogieIcfgContainer [2019-09-16 17:44:27,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:44:27,460 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:44:27,461 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:44:27,461 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:44:27,462 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:44:27" (1/1) ... [2019-09-16 17:44:27,463 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 17:44:27,489 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:44:27,489 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:44:27,500 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:44:27,513 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:44:27,515 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:44:27,665 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-16 17:44:27,933 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2019-09-16 17:44:30,204 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 109 [2019-09-16 17:44:30,473 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:30,597 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:30,950 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-09-16 17:44:31,318 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:31,466 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:31,735 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2019-09-16 17:44:31,883 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:32,259 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:32,729 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:44:33,176 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 90 [2019-09-16 17:44:33,728 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:34,265 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:44:35,108 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-09-16 17:44:35,137 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:35,780 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 113 [2019-09-16 17:44:36,855 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-09-16 17:44:38,228 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2019-09-16 17:44:38,582 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-16 17:44:39,123 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:44:39,445 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:39,470 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:40,634 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 305 DAG size of output: 130 [2019-09-16 17:44:40,813 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 152 [2019-09-16 17:44:42,014 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-09-16 17:44:43,968 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2019-09-16 17:44:44,845 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:44:44,985 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:46,437 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2019-09-16 17:44:46,707 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:48,237 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 387 DAG size of output: 155 [2019-09-16 17:44:48,591 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 177 [2019-09-16 17:44:50,073 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2019-09-16 17:44:50,963 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-09-16 17:44:53,873 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 401 DAG size of output: 396 [2019-09-16 17:44:54,260 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:44:55,118 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:44:55,352 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:55,507 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,144 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,164 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,183 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,437 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,456 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,483 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,500 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:56,659 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:44:58,538 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2019-09-16 17:45:00,872 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 497 DAG size of output: 172 [2019-09-16 17:45:01,886 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2019-09-16 17:45:02,250 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2019-09-16 17:45:02,831 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:03,014 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:04,877 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 243 DAG size of output: 238 [2019-09-16 17:45:05,420 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-16 17:45:05,829 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:05,974 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:05,988 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:06,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:09,880 WARN L191 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 495 DAG size of output: 490 [2019-09-16 17:45:10,175 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:10,194 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:12,214 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 317 DAG size of output: 312 [2019-09-16 17:45:13,224 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 174 [2019-09-16 17:45:13,609 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:13,916 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:16,716 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 401 DAG size of output: 396 [2019-09-16 17:45:16,752 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:17,292 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:17,316 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:17,334 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 17:45:20,817 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 621 DAG size of output: 192 [2019-09-16 17:45:21,015 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-16 17:45:21,185 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-16 17:45:21,584 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-16 17:45:21,699 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-16 17:45:22,012 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-16 17:45:22,038 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-16 17:45:22,052 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:45:22,052 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:45:22,054 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 117#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-16 17:45:22,064 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:45:22,065 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:45:22,070 INFO L168 Benchmark]: Toolchain (without parser) took 55488.81 ms. Allocated memory was 137.4 MB in the beginning and 511.2 MB in the end (delta: 373.8 MB). Free memory was 84.7 MB in the beginning and 229.2 MB in the end (delta: -144.5 MB). Peak memory consumption was 229.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,070 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.27 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 175.4 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,075 INFO L168 Benchmark]: Boogie Preprocessor took 53.22 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 173.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,075 INFO L168 Benchmark]: RCFGBuilder took 474.94 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 153.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,076 INFO L168 Benchmark]: Sifa took 54604.29 ms. Allocated memory was 197.7 MB in the beginning and 511.2 MB in the end (delta: 313.5 MB). Free memory was 153.1 MB in the beginning and 229.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 237.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:45:22,079 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 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.27 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 175.4 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.22 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 173.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.94 ms. Allocated memory is still 197.7 MB. Free memory was 173.1 MB in the beginning and 153.1 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Sifa took 54604.29 ms. Allocated memory was 197.7 MB in the beginning and 511.2 MB in the end (delta: 313.5 MB). Free memory was 153.1 MB in the beginning and 229.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 237.4 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]: 54565, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 41, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME[ms]: 48644, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 5, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME[ms]: 48661, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18880, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 57, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME[ms]: 869, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 4757, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 150, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 54214, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54214, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 117, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 116, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 68, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 5]: 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 117#(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...