/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/gj2007b.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:32:29,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:32:29,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:32:29,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:32:29,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:32:29,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:32:29,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:32:29,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:32:29,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:32:29,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:32:29,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:32:29,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:32:29,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:32:29,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:32:29,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:32:29,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:32:29,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:32:29,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:32:29,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:32:29,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:32:29,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:32:29,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:32:29,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:32:29,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:32:29,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:32:29,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:32:29,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:32:29,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:32:29,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:32:29,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:32:29,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:32:29,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:32:29,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:32:29,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:32:29,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:32:29,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:32:29,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:32:29,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:32:29,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:32:29,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:32:29,986 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:32:29,986 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:32:29,986 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:32:29,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:32:29,990 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:32:29,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:32:29,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:32:29,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:32:29,991 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:32:29,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:32:29,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:32:29,991 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:32:29,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:32:29,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:32:29,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:32:29,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:32:29,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:32:29,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:32:29,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:32:29,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:32:29,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:32:29,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:32:29,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:32:29,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:32:29,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:32:29,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:32:29,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:32:29,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:32:29,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:32:29,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:32:29,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:32:29,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:32:29,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:32:29,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:32:29,999 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:32:30,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:32:30,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:32:30,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:32:30,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:32:30,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:32:30,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007b.i [2019-11-24 16:32:30,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a242153/348ec5de8d1d4048823a37150f00edef/FLAGdce3eefc9 [2019-11-24 16:32:30,813 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:32:30,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007b.i [2019-11-24 16:32:30,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a242153/348ec5de8d1d4048823a37150f00edef/FLAGdce3eefc9 [2019-11-24 16:32:31,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a242153/348ec5de8d1d4048823a37150f00edef [2019-11-24 16:32:31,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:32:31,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:32:31,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:32:31,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:32:31,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:32:31,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6281f1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31, skipping insertion in model container [2019-11-24 16:32:31,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:32:31,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:32:31,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:32:31,485 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:32:31,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:32:31,515 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:32:31,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31 WrapperNode [2019-11-24 16:32:31,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:32:31,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:32:31,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:32:31,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:32:31,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:32:31,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:32:31,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:32:31,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:32:31,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:32:31,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:32:31,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:32:31,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:32:31,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:32:31" (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 [2019-11-24 16:32:31,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:32:31,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:32:31,924 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:32:31,925 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 16:32:31,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:32:31 BoogieIcfgContainer [2019-11-24 16:32:31,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:32:31,927 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:32:31,927 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:32:31,927 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:32:31,928 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:32:31" (1/1) ... [2019-11-24 16:32:31,929 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:32:31,960 INFO L159 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-11-24 16:32:31,960 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:32:31,968 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:32:31,976 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:32:31,977 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:32:33,154 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 187 [2019-11-24 16:32:33,334 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 181 [2019-11-24 16:32:33,638 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 269 [2019-11-24 16:32:33,884 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2019-11-24 16:32:34,320 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 413 [2019-11-24 16:32:34,793 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 386 [2019-11-24 16:32:35,586 WARN L192 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 590 [2019-11-24 16:32:36,157 WARN L192 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 544 [2019-11-24 16:32:37,561 WARN L192 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 916 DAG size of output: 859 [2019-11-24 16:32:38,693 WARN L192 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 830 DAG size of output: 821 [2019-11-24 16:32:40,168 WARN L192 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 824 DAG size of output: 812 [2019-11-24 16:32:41,257 WARN L192 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 804 DAG size of output: 798 [2019-11-24 16:32:42,901 WARN L192 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 798 [2019-11-24 16:32:44,028 WARN L192 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 799 DAG size of output: 760 [2019-11-24 16:32:45,226 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 713 DAG size of output: 708 [2019-11-24 16:32:45,987 WARN L192 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 704 [2019-11-24 16:32:49,415 WARN L192 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 1355 DAG size of output: 1290 [2019-11-24 16:32:52,106 WARN L192 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1260 DAG size of output: 1240 [2019-11-24 16:33:00,266 WARN L192 SmtUtils]: Spent 7.70 s on a formula simplification. DAG size of input: 2393 DAG size of output: 2271 [2019-11-24 16:33:07,929 WARN L192 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 2210 DAG size of output: 2170 [2019-11-24 16:33:30,178 WARN L192 SmtUtils]: Spent 21.41 s on a formula simplification. DAG size of input: 4120 DAG size of output: 3909 [2019-11-24 16:33:52,979 WARN L192 SmtUtils]: Spent 22.35 s on a formula simplification. DAG size of input: 3826 DAG size of output: 3751