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/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:20:48,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:20:48,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:20:48,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:20:48,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:20:48,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:20:48,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:20:48,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:20:48,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:20:48,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:20:48,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:20:48,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:20:48,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:20:48,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:20:48,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:20:48,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:20:48,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:20:48,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:20:48,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:20:48,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:20:48,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:20:48,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:20:48,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:20:48,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:20:48,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:20:48,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:20:48,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:20:48,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:20:48,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:20:48,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:20:48,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:20:48,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:20:48,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:20:48,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:20:48,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:20:48,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:20:48,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:20:48,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:20:48,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:20:48,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:20:48,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:20:48,743 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 [2019-09-17 15:20:48,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:20:48,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:20:48,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:20:48,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:20:48,759 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:20:48,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:20:48,759 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:20:48,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:20:48,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:20:48,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:20:48,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:20:48,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:20:48,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:20:48,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:20:48,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:20:48,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:20:48,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:20:48,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:20:48,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:20:48,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:20:48,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:20:48,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:20:48,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:20:48,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:20:48,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:20:48,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:20:48,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:20:48,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:20:48,764 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 [2019-09-17 15:20:48,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:20:48,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:20:48,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:20:48,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:20:48,811 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:20:48,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-17 15:20:48,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8e4c50/47e8a98d7eb9468fae24b335288ab1d1/FLAG888370d84 [2019-09-17 15:20:49,303 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:20:49,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-17 15:20:49,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8e4c50/47e8a98d7eb9468fae24b335288ab1d1/FLAG888370d84 [2019-09-17 15:20:49,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02c8e4c50/47e8a98d7eb9468fae24b335288ab1d1 [2019-09-17 15:20:49,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:20:49,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:20:49,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:20:49,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:20:49,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:20:49,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:49,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7065b5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49, skipping insertion in model container [2019-09-17 15:20:49,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:49,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:20:49,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:20:49,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:20:49,939 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:20:49,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:20:49,965 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:20:49,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49 WrapperNode [2019-09-17 15:20:49,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:20:49,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:20:49,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:20:49,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:20:50,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (1/1) ... [2019-09-17 15:20:50,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:20:50,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:20:50,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:20:50,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:20:50,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:20:49" (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 [2019-09-17 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:20:50,357 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:20:50,357 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:20:50,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:20:50 BoogieIcfgContainer [2019-09-17 15:20:50,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:20:50,359 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:20:50,359 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:20:50,360 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:20:50,361 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:20:50" (1/1) ... [2019-09-17 15:20:50,362 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 [2019-09-17 15:20:50,385 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:20:50,386 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:20:50,402 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:20:50,424 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:20:50,426 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:20:50,524 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:20:50,700 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-17 15:20:50,929 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-17 15:20:51,344 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-17 15:20:51,554 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-17 15:20:51,669 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2019-09-17 15:20:51,830 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-17 15:20:52,044 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-17 15:20:52,426 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-17 15:20:52,595 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-17 15:20:52,832 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-17 15:20:53,080 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-17 15:20:53,393 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-17 15:20:53,662 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-09-17 15:20:53,777 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 15:20:54,033 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-17 15:20:54,424 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-09-17 15:20:54,565 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 15:20:54,894 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-17 15:20:55,191 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-17 15:20:55,329 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 15:20:55,634 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-17 15:20:56,061 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-17 15:20:56,244 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-17 15:20:56,600 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-17 15:20:56,836 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-17 15:20:57,136 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2019-09-17 15:20:57,298 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-17 15:20:57,332 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:20:57,332 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:20:57,335 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 101#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:20:57,347 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:20:57,348 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:20:57,349 INFO L168 Benchmark]: Toolchain (without parser) took 7630.80 ms. Allocated memory was 132.6 MB in the beginning and 317.2 MB in the end (delta: 184.5 MB). Free memory was 88.1 MB in the beginning and 109.8 MB in the end (delta: -21.7 MB). Peak memory consumption was 162.9 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:57,350 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 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. [2019-09-17 15:20:57,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.65 ms. Allocated memory is still 132.6 MB. Free memory was 87.9 MB in the beginning and 78.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:57,352 INFO L168 Benchmark]: Boogie Preprocessor took 116.81 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 176.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:57,353 INFO L168 Benchmark]: RCFGBuilder took 275.90 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:57,354 INFO L168 Benchmark]: Sifa took 6988.37 ms. Allocated memory was 199.8 MB in the beginning and 317.2 MB in the end (delta: 117.4 MB). Free memory was 161.9 MB in the beginning and 109.8 MB in the end (delta: 52.0 MB). Peak memory consumption was 169.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:20:57,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.6 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 243.65 ms. Allocated memory is still 132.6 MB. Free memory was 87.9 MB in the beginning and 78.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.81 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 176.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.90 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 161.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Sifa took 6988.37 ms. Allocated memory was 199.8 MB in the beginning and 317.2 MB in the end (delta: 117.4 MB). Free memory was 161.9 MB in the beginning and 109.8 MB in the end (delta: 52.0 MB). Peak memory consumption was 169.5 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]: 6950, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 194, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 14, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 17, TOOLS_QUANTIFIERELIM_TIME[ms]: 188, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 50, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 3773, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 318, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 2513, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6750, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6750, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 101#(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...