java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:19:25,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:19:25,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:19:25,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:19:25,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:19:25,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:19:25,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:19:25,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:19:25,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:19:25,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:19:25,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:19:25,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:19:25,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:19:25,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:19:25,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:19:25,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:19:25,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:19:25,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:19:25,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:19:25,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:19:25,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:19:25,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:19:25,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:19:25,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:19:25,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:19:25,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:19:25,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:19:25,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:19:25,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:19:25,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:19:25,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:19:25,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:19:25,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:19:25,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:19:25,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:19:25,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:19:25,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:19:25,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:19:25,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:19:25,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:19:25,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:19:25,394 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 [2019-09-20 17:19:25,408 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:19:25,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:19:25,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:19:25,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:19:25,410 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:19:25,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:19:25,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:19:25,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:19:25,411 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:19:25,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:19:25,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:19:25,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:19:25,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:19:25,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:19:25,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:19:25,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:19:25,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:19:25,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:19:25,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:19:25,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:19:25,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:19:25,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:19:25,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:19:25,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:19:25,453 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:19:25,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:19:25,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:19:25,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:19:25,474 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:19:25,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 17:19:25,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f3c6c8/0f6f24cb7f344825aaa9044569b8e31e/FLAG5a7adae90 [2019-09-20 17:19:26,045 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:19:26,047 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp.c [2019-09-20 17:19:26,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f3c6c8/0f6f24cb7f344825aaa9044569b8e31e/FLAG5a7adae90 [2019-09-20 17:19:26,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e1f3c6c8/0f6f24cb7f344825aaa9044569b8e31e [2019-09-20 17:19:26,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:19:26,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:19:26,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:26,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:19:26,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:19:26,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1928fa6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26, skipping insertion in model container [2019-09-20 17:19:26,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:19:26,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:19:26,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:26,711 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:19:26,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:26,853 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:19:26,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26 WrapperNode [2019-09-20 17:19:26,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:26,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:19:26,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:19:26,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:19:26,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (1/1) ... [2019-09-20 17:19:26,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:19:26,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:19:26,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:19:26,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:19:26,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:26" (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 [2019-09-20 17:19:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:19:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:19:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:19:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-09-20 17:19:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:19:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-09-20 17:19:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:19:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:19:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-09-20 17:19:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:19:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:19:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:19:27,596 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:19:27,596 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-09-20 17:19:27,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:27 BoogieIcfgContainer [2019-09-20 17:19:27,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:19:27,598 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:19:27,598 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:19:27,599 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:19:27,600 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:27" (1/1) ... [2019-09-20 17:19:27,601 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-20 17:19:27,631 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:19:27,633 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:19:27,646 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:19:27,658 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:19:27,659 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:19:27,905 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:19:28,116 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 17:19:28,467 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-09-20 17:19:28,474 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 56 for LOIs [2019-09-20 17:19:28,756 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2019-09-20 17:19:28,883 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:19:29,011 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:19:29,386 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2019-09-20 17:19:29,513 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:19:29,667 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:19:29,919 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:30,327 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-09-20 17:19:30,707 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:30,715 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:30,720 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:31,417 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:32,092 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 17:19:32,417 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:32,526 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-20 17:19:32,917 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:33,044 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 17:19:33,443 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:33,564 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:33,927 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:34,041 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:34,466 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:34,615 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:35,070 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:35,438 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:35,558 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:36,111 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-20 17:19:36,511 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:36,671 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:37,137 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:37,623 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-20 17:19:38,021 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:38,181 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:38,527 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:38,643 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:39,006 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:39,112 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:39,742 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:40,178 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:40,659 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:19:41,187 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-20 17:19:41,753 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:42,177 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:42,547 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:42,692 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:43,042 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:43,147 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:43,571 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:43,723 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:44,173 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:44,641 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:19:45,204 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:45,624 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:46,005 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:46,155 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:46,489 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:46,966 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:47,113 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:47,431 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:47,551 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:48,104 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:48,540 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:49,090 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:49,505 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:50,076 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:50,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:50,498 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:50,837 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:50,955 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:51,380 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:51,517 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:51,857 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:51,964 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:52,424 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:19:52,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:52,967 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2019-09-20 17:19:53,331 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:53,479 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:53,935 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-20 17:19:54,405 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:19:54,796 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:54,954 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:19:55,279 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:55,392 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:55,860 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2019-09-20 17:19:56,416 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:56,715 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:56,823 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:57,376 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:19:57,719 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:19:57,823 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-09-20 17:19:58,303 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:19:58,329 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:19:58,329 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:19:58,332 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 668#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:19:58,342 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:19:58,342 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:19:58,344 INFO L168 Benchmark]: Toolchain (without parser) took 31902.76 ms. Allocated memory was 132.6 MB in the beginning and 467.1 MB in the end (delta: 334.5 MB). Free memory was 88.7 MB in the beginning and 138.1 MB in the end (delta: -49.4 MB). Peak memory consumption was 285.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,344 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.65 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 173.7 MB in the end (delta: -85.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,345 INFO L168 Benchmark]: Boogie Preprocessor took 53.75 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 171.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,345 INFO L168 Benchmark]: RCFGBuilder took 689.38 ms. Allocated memory is still 199.2 MB. Free memory was 171.2 MB in the beginning and 126.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,346 INFO L168 Benchmark]: Sifa took 30744.36 ms. Allocated memory was 199.2 MB in the beginning and 467.1 MB in the end (delta: 267.9 MB). Free memory was 126.6 MB in the beginning and 138.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:58,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 411.65 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 173.7 MB in the end (delta: -85.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.75 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 171.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 689.38 ms. Allocated memory is still 199.2 MB. Free memory was 171.2 MB in the beginning and 126.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * Sifa took 30744.36 ms. Allocated memory was 199.2 MB in the beginning and 467.1 MB in the end (delta: 267.9 MB). Free memory was 126.6 MB in the beginning and 138.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 256.4 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]: 30701, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 85, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 78, TOOLS_POST_TIME[ms]: 13062, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 84, TOOLS_QUANTIFIERELIM_TIME[ms]: 13044, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 463, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 149, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 68, DOMAIN_JOIN_TIME[ms]: 7141, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 61, DOMAIN_WIDEN_TIME[ms]: 10266, DOMAIN_ISSUBSETEQ_APPLICATIONS: 64, DOMAIN_ISSUBSETEQ_TIME[ms]: 89, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 29822, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29821, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 64, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 779, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 779, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 60, DAG_COMPRESSION_RETAINED_NODES: 38 - 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 668#(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...