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/loop-lit/gj2007b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:21:34,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:21:34,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:21:34,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:21:34,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:21:34,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:21:34,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:21:34,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:21:34,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:21:34,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:21:34,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:21:34,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:21:34,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:21:34,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:21:34,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:21:34,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:21:34,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:21:34,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:21:34,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:21:34,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:21:34,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:21:34,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:21:34,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:21:34,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:21:34,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:21:34,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:21:34,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:21:34,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:21:34,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:21:34,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:21:34,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:21:34,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:21:34,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:21:34,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:21:34,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:21:34,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:21:34,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:21:34,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:21:34,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:21:34,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:21:34,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:21:34,494 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 17:21:34,524 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:21:34,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:21:34,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:21:34,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:21:34,527 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:21:34,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:21:34,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:21:34,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:21:34,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:21:34,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:21:34,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:21:34,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:21:34,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:21:34,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:21:34,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:21:34,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:21:34,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:21:34,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:21:34,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:21:34,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:21:34,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:21:34,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:21:34,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:21:34,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:21:34,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:21:34,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:21:34,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:21:34,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:21:34,535 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 17:21:34,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:21:34,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:21:34,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:21:34,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:21:34,608 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:21:34,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007b.i [2019-09-20 17:21:34,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fe9661/759fbe7385f74716bb03726c0d00aebf/FLAG787e7d352 [2019-09-20 17:21:35,133 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:21:35,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007b.i [2019-09-20 17:21:35,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fe9661/759fbe7385f74716bb03726c0d00aebf/FLAG787e7d352 [2019-09-20 17:21:35,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fe9661/759fbe7385f74716bb03726c0d00aebf [2019-09-20 17:21:35,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:21:35,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:21:35,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:35,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:21:35,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:21:35,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46cde57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35, skipping insertion in model container [2019-09-20 17:21:35,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,544 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:21:35,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:21:35,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:35,721 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:21:35,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:35,748 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:21:35,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35 WrapperNode [2019-09-20 17:21:35,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:35,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:21:35,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:21:35,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:21:35,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (1/1) ... [2019-09-20 17:21:35,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:21:35,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:21:35,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:21:35,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:21:35,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:35" (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 17:21:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:21:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:21:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:21:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:21:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:21:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:21:35,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:21:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:21:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:21:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:21:35,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:21:36,164 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:21:36,164 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:21:36,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:36 BoogieIcfgContainer [2019-09-20 17:21:36,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:21:36,167 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:21:36,167 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:21:36,167 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:21:36,168 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:36" (1/1) ... [2019-09-20 17:21:36,169 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 17:21:36,198 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:21:36,198 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:21:36,232 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:21:36,254 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:21:36,255 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:21:36,339 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:21:37,206 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2019-09-20 17:21:37,465 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-20 17:21:37,640 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-09-20 17:21:37,786 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-20 17:21:38,008 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-20 17:21:38,209 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-20 17:21:38,517 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 17:21:38,756 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-09-20 17:21:38,992 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-09-20 17:21:39,181 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-09-20 17:21:39,492 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 17:21:39,723 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-20 17:21:39,825 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:21:40,125 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2019-09-20 17:21:40,341 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2019-09-20 17:21:40,584 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2019-09-20 17:21:41,043 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-20 17:21:41,165 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 17:21:41,460 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-09-20 17:21:41,687 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-20 17:21:41,844 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-20 17:21:42,044 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-20 17:21:42,212 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2019-09-20 17:21:42,460 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-20 17:21:42,692 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2019-09-20 17:21:42,796 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 17:21:42,971 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 17:21:43,194 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2019-09-20 17:21:43,516 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2019-09-20 17:21:43,650 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2019-09-20 17:21:43,925 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-20 17:21:44,121 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:21:44,269 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 17:21:44,500 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-20 17:21:44,678 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 64 [2019-09-20 17:21:44,925 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 17:21:45,120 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-20 17:21:45,387 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-09-20 17:21:45,599 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2019-09-20 17:21:45,894 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-20 17:21:46,104 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-20 17:21:46,417 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-20 17:21:46,665 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 82 [2019-09-20 17:21:46,768 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:21:47,027 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-20 17:21:47,291 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2019-09-20 17:21:47,407 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:21:47,752 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-20 17:21:48,005 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2019-09-20 17:21:48,113 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:21:48,394 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2019-09-20 17:21:48,646 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2019-09-20 17:21:48,762 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:21:49,027 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 17:21:49,354 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-20 17:21:49,495 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:21:49,811 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2019-09-20 17:21:50,233 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2019-09-20 17:21:50,410 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:21:50,878 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-20 17:21:51,287 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2019-09-20 17:21:51,485 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:21:51,902 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2019-09-20 17:21:52,330 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 128 [2019-09-20 17:21:52,533 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:21:53,127 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2019-09-20 17:21:53,579 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2019-09-20 17:21:53,770 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 17:21:54,188 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2019-09-20 17:21:54,641 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 134 [2019-09-20 17:21:54,845 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:21:55,123 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2019-09-20 17:21:55,354 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 85 [2019-09-20 17:21:55,643 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-09-20 17:21:56,008 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 128 [2019-09-20 17:21:56,143 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:21:56,422 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2019-09-20 17:21:56,547 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 22 [2019-09-20 17:21:56,801 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:21:56,832 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:21:56,833 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:21:56,834 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 251#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:21:56,844 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:21:56,844 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:21:56,845 INFO L168 Benchmark]: Toolchain (without parser) took 21316.23 ms. Allocated memory was 133.7 MB in the beginning and 375.9 MB in the end (delta: 242.2 MB). Free memory was 88.4 MB in the beginning and 306.7 MB in the end (delta: -218.3 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,846 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 133.7 MB. Free memory was 88.2 MB in the beginning and 79.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,848 INFO L168 Benchmark]: Boogie Preprocessor took 120.37 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 79.0 MB in the beginning and 178.8 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,849 INFO L168 Benchmark]: RCFGBuilder took 296.79 ms. Allocated memory is still 201.9 MB. Free memory was 178.8 MB in the beginning and 164.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,850 INFO L168 Benchmark]: Sifa took 20677.10 ms. Allocated memory was 201.9 MB in the beginning and 375.9 MB in the end (delta: 174.1 MB). Free memory was 164.8 MB in the beginning and 306.7 MB in the end (delta: -141.9 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:56,854 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 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 218.74 ms. Allocated memory is still 133.7 MB. Free memory was 88.2 MB in the beginning and 79.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.37 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 79.0 MB in the beginning and 178.8 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.79 ms. Allocated memory is still 201.9 MB. Free memory was 178.8 MB in the beginning and 164.8 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Sifa took 20677.10 ms. Allocated memory was 201.9 MB in the beginning and 375.9 MB in the end (delta: 174.1 MB). Free memory was 164.8 MB in the beginning and 306.7 MB in the end (delta: -141.9 MB). Peak memory consumption was 32.2 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]: 20636, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME[ms]: 213, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 39, TOOLS_QUANTIFIERELIM_TIME[ms]: 206, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 10442, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 148, DOMAIN_WIDEN_APPLICATIONS: 20, DOMAIN_WIDEN_TIME[ms]: 9624, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 20379, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 20378, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 21, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 57, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 56, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 51, DAG_COMPRESSION_RETAINED_NODES: 30 - 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 251#(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...