/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/list-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:15:56,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:15:56,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:15:56,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:15:56,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:15:56,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:15:56,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:15:56,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:15:56,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:15:56,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:15:56,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:15:56,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:15:56,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:15:56,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:15:56,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:15:56,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:15:56,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:15:56,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:15:56,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:15:56,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:15:56,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:15:56,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:15:56,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:15:56,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:15:56,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:15:56,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:15:56,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:15:56,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:15:56,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:15:56,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:15:56,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:15:56,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:15:56,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:15:56,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:15:56,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:15:56,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:15:56,841 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 16:15:56,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:15:56,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:15:56,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:15:56,858 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:15:56,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:15:56,858 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:15:56,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:15:56,858 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:15:56,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:15:56,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:15:56,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:15:56,859 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:15:56,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:15:56,860 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:15:56,860 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:15:56,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:15:56,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:15:56,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:15:56,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:15:56,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:15:56,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:15:56,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:15:56,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:15:56,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:15:56,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:15:56,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:15:56,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:15:56,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:15:56,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:15:56,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:15:56,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:15:56,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:15:56,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:15:56,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:15:56,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:15:56,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:15:56,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:15:56,865 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:15:57,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:15:57,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:15:57,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:15:57,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:15:57,239 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:15:57,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-11-24 16:15:57,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab1917/b7c36d9894a54fd58475fe0f6ee491fd/FLAGcdaaebef1 [2019-11-24 16:15:57,879 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:15:57,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-11-24 16:15:57,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab1917/b7c36d9894a54fd58475fe0f6ee491fd/FLAGcdaaebef1 [2019-11-24 16:15:58,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ab1917/b7c36d9894a54fd58475fe0f6ee491fd [2019-11-24 16:15:58,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:15:58,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:15:58,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:15:58,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:15:58,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:15:58,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e741119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58, skipping insertion in model container [2019-11-24 16:15:58,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:15:58,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:15:58,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:15:58,744 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:15:58,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:15:58,880 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:15:58,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58 WrapperNode [2019-11-24 16:15:58,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:15:58,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:15:58,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:15:58,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:15:58,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:15:58,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:15:58,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:15:58,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:15:58,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (1/1) ... [2019-11-24 16:15:58,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:15:58,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:15:58,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:15:58,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:15:58,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:58" (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 16:15:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:15:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:15:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:15:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:15:59,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:15:59,627 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:15:59,628 INFO L284 CfgBuilder]: Removed 19 assume(true) statements. [2019-11-24 16:15:59,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:59 BoogieIcfgContainer [2019-11-24 16:15:59,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:15:59,630 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:15:59,630 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:15:59,630 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:15:59,632 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:59" (1/1) ... [2019-11-24 16:15:59,632 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 16:15:59,658 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:15:59,658 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:15:59,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:15:59,673 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:15:59,675 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:00,013 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:00,512 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:00,865 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:01,072 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:01,378 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:01,667 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-24 16:16:01,832 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2019-11-24 16:16:01,969 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-11-24 16:16:02,188 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2019-11-24 16:16:02,262 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,297 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,330 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,521 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,550 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:02,916 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2019-11-24 16:16:03,258 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-11-24 16:16:03,342 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:03,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 16:16:05,546 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 16:16:06,954 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2019-11-24 16:16:07,231 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 246 [2019-11-24 16:16:07,409 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2019-11-24 16:16:07,737 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 275 [2019-11-24 16:16:08,052 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-24 16:16:08,787 WARN L192 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2019-11-24 16:16:09,535 WARN L192 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-11-24 16:16:11,177 WARN L192 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 432 [2019-11-24 16:16:13,051 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 423 [2019-11-24 16:16:14,087 WARN L192 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 423 [2019-11-24 16:16:15,960 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:16,750 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:16:16,766 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:16:16,766 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:16:16,768 INFO L168 Benchmark]: Toolchain (without parser) took 18593.30 ms. Allocated memory was 141.6 MB in the beginning and 670.6 MB in the end (delta: 529.0 MB). Free memory was 97.8 MB in the beginning and 79.6 MB in the end (delta: 18.2 MB). Peak memory consumption was 547.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,772 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.08 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 161.9 MB in the end (delta: -64.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.79 ms. Allocated memory is still 198.7 MB. Free memory was 161.9 MB in the beginning and 159.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,779 INFO L168 Benchmark]: Boogie Preprocessor took 37.10 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 157.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,780 INFO L168 Benchmark]: RCFGBuilder took 656.39 ms. Allocated memory is still 198.7 MB. Free memory was 157.5 MB in the beginning and 123.7 MB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,782 INFO L168 Benchmark]: Sifa took 17136.92 ms. Allocated memory was 198.7 MB in the beginning and 670.6 MB in the end (delta: 471.9 MB). Free memory was 122.9 MB in the beginning and 79.6 MB in the end (delta: 43.4 MB). Peak memory consumption was 515.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:16,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.6 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.08 ms. Allocated memory was 141.6 MB in the beginning and 198.7 MB in the end (delta: 57.1 MB). Free memory was 97.6 MB in the beginning and 161.9 MB in the end (delta: -64.3 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.79 ms. Allocated memory is still 198.7 MB. Free memory was 161.9 MB in the beginning and 159.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.10 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 157.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 656.39 ms. Allocated memory is still 198.7 MB. Free memory was 157.5 MB in the beginning and 123.7 MB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Sifa took 17136.92 ms. Allocated memory was 198.7 MB in the beginning and 670.6 MB in the end (delta: 471.9 MB). Free memory was 122.9 MB in the beginning and 79.6 MB in the end (delta: 43.4 MB). Peak memory consumption was 515.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17094, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 8, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 86, TOOLS_POST_TIME[ms]: 5003, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 86, TOOLS_QUANTIFIERELIM_TIME[ms]: 4944, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1240, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 149, FLUID_YES_ANSWERS: 10, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 515, DOMAIN_ALPHA_APPLICATIONS: 10, DOMAIN_ALPHA_TIME[ms]: 3711, DOMAIN_WIDEN_APPLICATIONS: 22, DOMAIN_WIDEN_TIME[ms]: 7590, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 164, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 35, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16255, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 28, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 47, DAG_COMPRESSION_RETAINED_NODES: 30 - UnprovableResult [Line: 612]: 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 1170#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...