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/loops/trex01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:48:02,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:48:02,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:48:02,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:48:02,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:48:02,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:48:02,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:48:02,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:48:02,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:48:02,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:48:02,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:48:02,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:48:02,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:48:02,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:48:02,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:48:02,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:48:02,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:48:02,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:48:02,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:48:02,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:48:02,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:48:02,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:48:02,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:48:02,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:48:02,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:48:02,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:48:02,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:48:02,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:48:02,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:48:02,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:48:02,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:48:02,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:48:02,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:48:02,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:48:02,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:48:02,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:48:02,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:48:02,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:48:02,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:48:02,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:48:02,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:48:02,915 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 09:48:02,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:48:02,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:48:02,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:48:02,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:48:02,931 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:48:02,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:48:02,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:48:02,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:48:02,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:48:02,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:48:02,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:48:02,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:48:02,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:48:02,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:48:02,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:48:02,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:48:02,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:02,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:48:02,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:48:02,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:48:02,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:48:02,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:48:02,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:48:02,936 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 09:48:02,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:48:02,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:48:02,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:48:02,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:48:02,983 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:48:02,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-2.i [2019-09-21 09:48:03,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd20ea8f/ef320c8751754daa96ac81e0afc8989b/FLAGa0df3b111 [2019-09-21 09:48:03,454 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:48:03,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-2.i [2019-09-21 09:48:03,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd20ea8f/ef320c8751754daa96ac81e0afc8989b/FLAGa0df3b111 [2019-09-21 09:48:03,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfd20ea8f/ef320c8751754daa96ac81e0afc8989b [2019-09-21 09:48:03,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:48:03,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:48:03,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:03,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:48:03,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:48:03,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:03" (1/1) ... [2019-09-21 09:48:03,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73613047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:03, skipping insertion in model container [2019-09-21 09:48:03,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:03" (1/1) ... [2019-09-21 09:48:03,906 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:48:03,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:48:04,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:04,115 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:48:04,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:04,160 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:48:04,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04 WrapperNode [2019-09-21 09:48:04,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:04,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:48:04,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:48:04,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:48:04,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:48:04,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:48:04,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:48:04,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:48:04,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:04" (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 09:48:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:48:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:48:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:48:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-21 09:48:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:48:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:48:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:48:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:48:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:48:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:48:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-21 09:48:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:48:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:48:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:48:04,672 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:48:04,672 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-21 09:48:04,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:04 BoogieIcfgContainer [2019-09-21 09:48:04,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:48:04,674 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:48:04,674 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:48:04,674 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:48:04,676 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:04" (1/1) ... [2019-09-21 09:48:04,676 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 09:48:04,703 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:48:04,703 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:04,710 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:04,719 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:04,720 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:04,816 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:48:04,871 INFO L199 IcfgInterpreter]: Interpreting procedure f with input of size 14 for LOIs [2019-09-21 09:48:06,946 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:48:07,056 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-09-21 09:48:07,215 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2019-09-21 09:48:07,575 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2019-09-21 09:48:07,716 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2019-09-21 09:48:07,966 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 238 [2019-09-21 09:48:08,529 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2019-09-21 09:48:08,696 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2019-09-21 09:48:08,944 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 303 [2019-09-21 09:48:09,087 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-21 09:48:09,210 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-21 09:48:09,412 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 245 [2019-09-21 09:48:09,726 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-09-21 09:48:10,016 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2019-09-21 09:48:10,395 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2019-09-21 09:48:10,540 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2019-09-21 09:48:10,665 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2019-09-21 09:48:10,961 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 268 [2019-09-21 09:48:11,431 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 478 [2019-09-21 09:48:11,966 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-09-21 09:48:12,660 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 479 [2019-09-21 09:48:12,955 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-09-21 09:48:13,200 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-09-21 09:48:13,586 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2019-09-21 09:48:14,302 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-09-21 09:48:14,968 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-09-21 09:48:15,860 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 602 [2019-09-21 09:48:16,232 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-21 09:48:16,574 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2019-09-21 09:48:17,569 WARN L191 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 415 [2019-09-21 09:48:18,683 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 785 [2019-09-21 09:48:19,817 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 785 [2019-09-21 09:48:22,084 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 786 DAG size of output: 736 [2019-09-21 09:48:22,909 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2019-09-21 09:48:23,583 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2019-09-21 09:48:24,347 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 471 [2019-09-21 09:48:25,805 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 741 DAG size of output: 701 [2019-09-21 09:48:25,900 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:48:25,906 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:48:25,906 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:48:25,909 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 271#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:48:25,924 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:48:25,924 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:48:25,926 INFO L168 Benchmark]: Toolchain (without parser) took 22038.52 ms. Allocated memory was 131.1 MB in the beginning and 982.5 MB in the end (delta: 851.4 MB). Free memory was 87.2 MB in the beginning and 580.8 MB in the end (delta: -493.6 MB). Peak memory consumption was 357.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,927 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.68 ms. Allocated memory is still 131.1 MB. Free memory was 87.0 MB in the beginning and 77.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,929 INFO L168 Benchmark]: Boogie Preprocessor took 122.17 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.4 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,930 INFO L168 Benchmark]: RCFGBuilder took 389.86 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 157.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,931 INFO L168 Benchmark]: Sifa took 21250.65 ms. Allocated memory was 198.2 MB in the beginning and 982.5 MB in the end (delta: 784.3 MB). Free memory was 157.0 MB in the beginning and 580.8 MB in the end (delta: -423.8 MB). Peak memory consumption was 360.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:25,935 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.68 ms. Allocated memory is still 131.1 MB. Free memory was 87.0 MB in the beginning and 77.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.17 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 77.1 MB in the beginning and 174.4 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.86 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 157.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Sifa took 21250.65 ms. Allocated memory was 198.2 MB in the beginning and 982.5 MB in the end (delta: 784.3 MB). Free memory was 157.0 MB in the beginning and 580.8 MB in the end (delta: -423.8 MB). Peak memory consumption was 360.5 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]: 21206, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 178, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 176, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 7315, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 154, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 13256, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 187, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 21006, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 21005, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 58, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 58, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 90, DAG_COMPRESSION_RETAINED_NODES: 49 - 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 271#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 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...