/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/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:16:46,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:16:46,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:16:46,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:16:46,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:16:46,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:16:46,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:16:46,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:16:46,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:16:46,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:16:46,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:16:46,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:16:46,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:16:46,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:16:46,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:16:46,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:16:46,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:16:46,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:16:46,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:16:46,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:16:46,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:16:46,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:16:46,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:16:46,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:16:46,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 16:16:46,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 16:16:46,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 16:16:46,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 16:16:46,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 16:16:46,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 16:16:46,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:16:46,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:16:46,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:16:46,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:16:46,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:16:46,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:16:46,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:16:46,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:16:46,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:16:46,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:16:46,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:16:46,598 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 16:16:46,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:16:46,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:16:46,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:16:46,614 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:16:46,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:16:46,614 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:16:46,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:16:46,614 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:16:46,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:16:46,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:16:46,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:16:46,615 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:16:46,615 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:16:46,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:16:46,616 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:16:46,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:16:46,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:16:46,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:16:46,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:16:46,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:16:46,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:16:46,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:16:46,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:16:46,618 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:16:46,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:16:46,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:16:46,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:16:46,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:16:46,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:16:46,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:16:46,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:16:46,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:16:46,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:16:46,620 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:16:46,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:16:46,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:16:46,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:16:46,621 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:16:46,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:16:46,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:16:46,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:16:46,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:16:46,966 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:16:46,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-11-24 16:16:47,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6b00b33/ef8dd4af13494880b582e6920cda7c2a/FLAG900367159 [2019-11-24 16:16:47,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:16:47,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-11-24 16:16:47,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6b00b33/ef8dd4af13494880b582e6920cda7c2a/FLAG900367159 [2019-11-24 16:16:47,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f6b00b33/ef8dd4af13494880b582e6920cda7c2a [2019-11-24 16:16:47,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:16:47,924 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:16:47,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:47,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:16:47,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:16:47,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:47" (1/1) ... [2019-11-24 16:16:47,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d2c937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:47, skipping insertion in model container [2019-11-24 16:16:47,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:47" (1/1) ... [2019-11-24 16:16:47,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:16:47,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:16:48,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:48,470 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:16:48,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:48,583 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:16:48,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48 WrapperNode [2019-11-24 16:16:48,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:48,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:48,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:16:48,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:16:48,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:48,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:16:48,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:16:48,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:16:48,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (1/1) ... [2019-11-24 16:16:48,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:16:48,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:16:48,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:16:48,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:16:48,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:48" (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 16:16:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:16:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:16:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:16:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:16:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:16:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:16:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:16:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:16:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:16:49,221 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:16:49,222 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 16:16:49,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:49 BoogieIcfgContainer [2019-11-24 16:16:49,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:16:49,224 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:16:49,224 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:16:49,224 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:16:49,225 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:49" (1/1) ... [2019-11-24 16:16:49,226 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 16:16:49,250 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:16:49,250 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:16:49,257 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:16:49,264 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:16:49,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:49,732 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:50,456 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:51,296 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:51,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:52,084 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:52,784 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:53,401 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2019-11-24 16:16:53,644 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2019-11-24 16:16:53,844 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:53,882 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:53,912 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:53,954 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:53,996 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,025 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,058 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,084 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,117 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,242 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,273 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,295 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,326 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,353 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,377 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,402 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,424 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,765 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-11-24 16:16:54,979 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:54,992 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:55,005 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:55,328 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:16:55,349 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:16:55,349 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:16:55,351 INFO L168 Benchmark]: Toolchain (without parser) took 7426.88 ms. Allocated memory was 141.6 MB in the beginning and 346.0 MB in the end (delta: 204.5 MB). Free memory was 97.9 MB in the beginning and 160.1 MB in the end (delta: -62.2 MB). Peak memory consumption was 142.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,351 INFO L168 Benchmark]: CDTParser took 0.27 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.32 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 97.7 MB in the beginning and 164.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 162.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,357 INFO L168 Benchmark]: Boogie Preprocessor took 45.47 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,361 INFO L168 Benchmark]: RCFGBuilder took 536.15 ms. Allocated memory is still 199.2 MB. Free memory was 160.1 MB in the beginning and 131.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,361 INFO L168 Benchmark]: Sifa took 6125.66 ms. Allocated memory was 199.2 MB in the beginning and 346.0 MB in the end (delta: 146.8 MB). Free memory was 131.5 MB in the beginning and 160.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:55,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.32 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 97.7 MB in the beginning and 164.4 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.31 ms. Allocated memory is still 199.2 MB. Free memory was 164.4 MB in the beginning and 162.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.47 ms. Allocated memory is still 199.2 MB. Free memory was 162.2 MB in the beginning and 160.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 536.15 ms. Allocated memory is still 199.2 MB. Free memory was 160.1 MB in the beginning and 131.5 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Sifa took 6125.66 ms. Allocated memory was 199.2 MB in the beginning and 346.0 MB in the end (delta: 146.8 MB). Free memory was 131.5 MB in the beginning and 160.1 MB in the end (delta: -28.6 MB). Peak memory consumption was 118.2 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]: 6080, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 41, TOOLS_POST_TIME[ms]: 5135, 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: 41, TOOLS_QUANTIFIERELIM_TIME[ms]: 5112, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1245, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 316, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 20, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 467, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4210, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4209, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, 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]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 78, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 608]: 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 119#(and (not (<= 0 ULTIMATE.start_main_~i~0)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0.base|) |ULTIMATE.start_main_~#s~0.offset|))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...