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_QUICK -i ../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:50:07,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:50:07,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:50:07,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:50:07,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:50:07,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:50:07,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:50:07,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:50:07,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:50:07,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:50:07,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:50:07,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:50:07,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:50:07,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:50:07,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:50:07,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:50:07,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:50:07,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:50:07,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:50:07,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:50:07,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:50:07,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:50:07,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:50:07,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:50:07,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:50:07,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:50:07,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:50:07,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:50:07,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:50:07,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:50:07,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:50:07,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:50:07,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:50:07,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:50:07,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:50:07,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:50:07,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:50:07,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:50:07,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:50:07,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:50:07,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:50:07,762 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 [2019-09-21 09:50:07,785 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:50:07,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:50:07,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:50:07,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:50:07,788 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:50:07,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:50:07,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:50:07,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:50:07,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:50:07,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:50:07,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:50:07,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:50:07,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:50:07,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:50:07,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:50:07,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:50:07,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:50:07,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:50:07,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:50:07,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:50:07,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:50:07,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:50:07,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:50:07,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:50:07,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:50:07,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:50:07,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:50:07,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:50:07,795 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_QUICK [2019-09-21 09:50:07,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:50:07,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:50:07,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:50:07,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:50:07,874 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:50:07,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-21 09:50:07,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5957b658/4a48738c8d9c460882cffc00aab0e7c7/FLAG5a476feac [2019-09-21 09:50:08,413 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:50:08,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006_variant.i [2019-09-21 09:50:08,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5957b658/4a48738c8d9c460882cffc00aab0e7c7/FLAG5a476feac [2019-09-21 09:50:08,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5957b658/4a48738c8d9c460882cffc00aab0e7c7 [2019-09-21 09:50:08,784 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:50:08,786 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:50:08,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:08,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:50:08,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:50:08,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:08" (1/1) ... [2019-09-21 09:50:08,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39484310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:08, skipping insertion in model container [2019-09-21 09:50:08,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:50:08" (1/1) ... [2019-09-21 09:50:08,803 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:50:08,820 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:50:08,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:09,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:50:09,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:50:09,039 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:50:09,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09 WrapperNode [2019-09-21 09:50:09,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:50:09,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:50:09,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:50:09,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:50:09,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:50:09,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:50:09,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:50:09,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:50:09,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:50:09" (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 [2019-09-21 09:50:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:50:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:50:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:50:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:50:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:50:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:50:09,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:50:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:50:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:50:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:50:09,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:50:09,432 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:50:09,433 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:50:09,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:09 BoogieIcfgContainer [2019-09-21 09:50:09,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:50:09,435 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:50:09,435 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:50:09,435 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:50:09,437 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:50:09" (1/1) ... [2019-09-21 09:50:09,438 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:50:09,477 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:50:09,478 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:50:09,489 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:50:09,500 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:50:09,502 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:50:09,613 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:50:11,715 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-09-21 09:50:11,864 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 248 [2019-09-21 09:50:12,010 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-09-21 09:50:12,363 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-09-21 09:50:12,468 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2019-09-21 09:50:12,625 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 289 [2019-09-21 09:50:12,741 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-09-21 09:50:13,107 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-09-21 09:50:13,260 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-09-21 09:50:13,424 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2019-09-21 09:50:13,543 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2019-09-21 09:50:13,777 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 275 [2019-09-21 09:50:13,951 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-09-21 09:50:14,078 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2019-09-21 09:50:14,240 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 372 [2019-09-21 09:50:14,633 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 309 [2019-09-21 09:50:14,834 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-09-21 09:50:14,982 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 462 [2019-09-21 09:50:15,184 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 419 [2019-09-21 09:50:15,298 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-09-21 09:50:15,401 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2019-09-21 09:50:15,544 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 341 [2019-09-21 09:50:15,742 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-21 09:50:15,917 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-21 09:50:16,151 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 468 [2019-09-21 09:50:16,331 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:50:16,476 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:50:16,671 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 375 [2019-09-21 09:50:16,903 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-09-21 09:50:17,122 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-09-21 09:50:17,377 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 520 [2019-09-21 09:50:17,654 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 09:50:17,833 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-21 09:50:18,033 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 409 [2019-09-21 09:50:18,319 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2019-09-21 09:50:18,594 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2019-09-21 09:50:18,872 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 650 DAG size of output: 568 [2019-09-21 09:50:19,123 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-21 09:50:19,316 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-09-21 09:50:19,529 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 443 [2019-09-21 09:50:19,819 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 476 [2019-09-21 09:50:19,876 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:50:19,883 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:50:19,884 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:50:19,886 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 212#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:50:19,901 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:50:19,901 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:50:19,903 INFO L168 Benchmark]: Toolchain (without parser) took 11117.12 ms. Allocated memory was 140.0 MB in the beginning and 536.3 MB in the end (delta: 396.4 MB). Free memory was 90.1 MB in the beginning and 392.8 MB in the end (delta: -302.8 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,904 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.70 ms. Allocated memory is still 140.0 MB. Free memory was 89.9 MB in the beginning and 80.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,909 INFO L168 Benchmark]: Boogie Preprocessor took 119.73 ms. Allocated memory was 140.0 MB in the beginning and 198.2 MB in the end (delta: 58.2 MB). Free memory was 80.0 MB in the beginning and 175.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,909 INFO L168 Benchmark]: RCFGBuilder took 274.24 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 163.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,910 INFO L168 Benchmark]: Sifa took 10466.36 ms. Allocated memory was 198.2 MB in the beginning and 536.3 MB in the end (delta: 338.2 MB). Free memory was 163.9 MB in the beginning and 392.8 MB in the end (delta: -228.9 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:19,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.70 ms. Allocated memory is still 140.0 MB. Free memory was 89.9 MB in the beginning and 80.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.73 ms. Allocated memory was 140.0 MB in the beginning and 198.2 MB in the end (delta: 58.2 MB). Free memory was 80.0 MB in the beginning and 175.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.24 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 163.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Sifa took 10466.36 ms. Allocated memory was 198.2 MB in the beginning and 536.3 MB in the end (delta: 338.2 MB). Free memory was 163.9 MB in the beginning and 392.8 MB in the end (delta: -228.9 MB). Peak memory consumption was 109.3 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]: 10408, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 239, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 212, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 45, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 4360, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 41, DOMAIN_WIDEN_APPLICATIONS: 15, DOMAIN_WIDEN_TIME[ms]: 5455, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 188, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10228, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10228, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 52, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 66, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 212#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (<= 0 __VERIFIER_assert_~cond) (= 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...