/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_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:16:00,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:16:00,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:16:00,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:16:00,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:16:00,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:16:00,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:16:00,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:16:00,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:16:00,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:16:00,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:16:00,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:16:00,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:16:00,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:16:00,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:16:00,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:16:00,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:16:00,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:16:00,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:16:00,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:16:00,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:16:00,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:16:00,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:16:00,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:16:00,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:16:00,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:16:00,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:16:00,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:16:00,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:16:00,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:16:00,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:16:00,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:16:00,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:16:00,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:16:00,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:16:00,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:16:00,514 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 16:16:00,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:16:00,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:16:00,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:16:00,530 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:16:00,530 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:16:00,530 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:16:00,531 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:16:00,531 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:16:00,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:16:00,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:16:00,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:16:00,532 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:16:00,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:16:00,532 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:16:00,532 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:16:00,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:16:00,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:16:00,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:16:00,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:16:00,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:16:00,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:16:00,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:16:00,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:16:00,534 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:16:00,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:16:00,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:16:00,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:16:00,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:16:00,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:16:00,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:16:00,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:16:00,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:16:00,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:16:00,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:16:00,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:16:00,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:16:00,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:16:00,537 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:16:00,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:16:00,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:16:00,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:16:00,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:16:00,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:16:00,844 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-11-24 16:16:00,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49389a1d/2ac0d2051664488397808512faf26220/FLAGe093a6ad5 [2019-11-24 16:16:01,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:16:01,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-11-24 16:16:01,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49389a1d/2ac0d2051664488397808512faf26220/FLAGe093a6ad5 [2019-11-24 16:16:01,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49389a1d/2ac0d2051664488397808512faf26220 [2019-11-24 16:16:01,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:16:01,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:16:01,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:01,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:16:01,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:16:01,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:01" (1/1) ... [2019-11-24 16:16:01,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fce6a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:01, skipping insertion in model container [2019-11-24 16:16:01,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:16:01" (1/1) ... [2019-11-24 16:16:01,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:16:01,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:16:02,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:02,351 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:16:02,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:16:02,489 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:16:02,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02 WrapperNode [2019-11-24 16:16:02,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:16:02,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:02,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:16:02,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:16:02,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:16:02,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:16:02,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:16:02,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:16:02,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (1/1) ... [2019-11-24 16:16:02,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:16:02,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:16:02,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:16:02,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:16:02,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:16:02" (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 16:16:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:16:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:16:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-24 16:16:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:16:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:16:03,228 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:16:03,229 INFO L284 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-24 16:16:03,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:03 BoogieIcfgContainer [2019-11-24 16:16:03,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:16:03,232 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:16:03,232 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:16:03,232 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:16:03,235 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:16:03" (1/1) ... [2019-11-24 16:16:03,235 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 16:16:03,264 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:16:03,265 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:16:03,273 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:16:03,281 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:16:03,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:16:03,652 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:04,069 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:04,378 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:04,667 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:04,855 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,253 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 198 [2019-11-24 16:16:05,599 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,623 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,642 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,875 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,904 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:05,930 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:16:06,379 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2019-11-24 16:16:06,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 16:16:06,687 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 16:16:07,702 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2019-11-24 16:16:07,961 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2019-11-24 16:16:08,440 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 301 [2019-11-24 16:16:09,126 WARN L192 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 257 [2019-11-24 16:16:09,519 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2019-11-24 16:16:09,720 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2019-11-24 16:16:11,393 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:11,632 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:11,816 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:12,099 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:12,371 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-11-24 16:16:12,565 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:12,793 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-24 16:16:12,991 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:13,881 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:14,196 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:14,520 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2019-11-24 16:16:15,089 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2019-11-24 16:16:15,252 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:15,503 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:15,723 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:16,041 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2019-11-24 16:16:16,384 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2019-11-24 16:16:16,779 WARN L192 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:17,049 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:17,236 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:17,784 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:18,080 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2019-11-24 16:16:18,305 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2019-11-24 16:16:18,520 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2019-11-24 16:16:18,710 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2019-11-24 16:16:18,998 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2019-11-24 16:16:19,298 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2019-11-24 16:16:19,560 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2019-11-24 16:16:19,825 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2019-11-24 16:16:20,050 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2019-11-24 16:16:20,343 WARN L192 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2019-11-24 16:16:21,472 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:16:21,485 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:16:21,485 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:16:21,487 INFO L168 Benchmark]: Toolchain (without parser) took 19697.07 ms. Allocated memory was 142.6 MB in the beginning and 528.0 MB in the end (delta: 385.4 MB). Free memory was 99.2 MB in the beginning and 142.6 MB in the end (delta: -43.4 MB). Peak memory consumption was 342.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,487 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.78 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 162.9 MB in the end (delta: -64.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.56 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 160.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,493 INFO L168 Benchmark]: Boogie Preprocessor took 36.64 ms. Allocated memory is still 199.8 MB. Free memory was 160.8 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,493 INFO L168 Benchmark]: RCFGBuilder took 629.20 ms. Allocated memory is still 199.8 MB. Free memory was 158.6 MB in the beginning and 123.8 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,494 INFO L168 Benchmark]: Sifa took 18254.22 ms. Allocated memory was 199.8 MB in the beginning and 528.0 MB in the end (delta: 328.2 MB). Free memory was 123.8 MB in the beginning and 142.6 MB in the end (delta: -18.7 MB). Peak memory consumption was 309.5 MB. Max. memory is 7.1 GB. [2019-11-24 16:16:21,496 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 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 694.78 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 98.8 MB in the beginning and 162.9 MB in the end (delta: -64.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 74.56 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 160.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.64 ms. Allocated memory is still 199.8 MB. Free memory was 160.8 MB in the beginning and 158.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 629.20 ms. Allocated memory is still 199.8 MB. Free memory was 158.6 MB in the beginning and 123.8 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Sifa took 18254.22 ms. Allocated memory was 199.8 MB in the beginning and 528.0 MB in the end (delta: 328.2 MB). Free memory was 123.8 MB in the beginning and 142.6 MB in the end (delta: -18.7 MB). Peak memory consumption was 309.5 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]: 18209, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 28, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 242, TOOLS_POST_TIME[ms]: 13315, 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: 238, TOOLS_QUANTIFIERELIM_TIME[ms]: 13251, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 7179, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 406, FLUID_YES_ANSWERS: 29, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 652, DOMAIN_ALPHA_APPLICATIONS: 29, DOMAIN_ALPHA_TIME[ms]: 713, DOMAIN_WIDEN_APPLICATIONS: 45, DOMAIN_WIDEN_TIME[ms]: 3149, DOMAIN_ISSUBSETEQ_APPLICATIONS: 68, DOMAIN_ISSUBSETEQ_TIME[ms]: 207, DOMAIN_ISBOTTOM_APPLICATIONS: 28, DOMAIN_ISBOTTOM_TIME[ms]: 68, LOOP_SUMMARIZER_APPLICATIONS: 23, LOOP_SUMMARIZER_CACHE_MISSES: 23, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16941, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16940, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 68, 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]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 249, DAG_COMPRESSION_RETAINED_NODES: 67 - UnprovableResult [Line: 613]: 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 1268#(and (not (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~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...