/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:28:27,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:28:27,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:28:27,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:28:27,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:28:27,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:28:27,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:28:27,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:28:27,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:28:27,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:28:27,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:28:27,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:28:27,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:28:27,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:28:27,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:28:27,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:28:27,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:28:27,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:28:27,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:28:27,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:28:27,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:28:27,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:28:27,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:28:27,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:28:27,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:28:27,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:28:27,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:28:27,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:28:27,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:28:27,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:28:27,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:28:27,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:28:27,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:28:27,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:28:27,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:28:27,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:28:27,803 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 04:28:27,825 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:28:27,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:28:27,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:28:27,827 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:28:27,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:28:27,827 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:28:27,827 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:28:27,828 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:28:27,828 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:28:27,828 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:28:27,829 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:28:27,830 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:28:27,830 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:28:27,830 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:28:27,831 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:28:27,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:28:27,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:28:27,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:28:27,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:28:27,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:28:27,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:28:27,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:28:27,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:28:27,833 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:28:27,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:28:27,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:28:27,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:28:27,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:28:27,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:28:27,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:28:27,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:28:27,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:28:27,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:28:27,837 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:28:27,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:28:27,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:28:27,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:28:27,838 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:28:28,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:28:28,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:28:28,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:28:28,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:28:28,136 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:28:28,136 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-11-24 04:28:28,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8366fccf/1bd2e2c0e290424aabfa059fd21ae3a1/FLAGaff7ed8fc [2019-11-24 04:28:28,641 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:28:28,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-11-24 04:28:28,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8366fccf/1bd2e2c0e290424aabfa059fd21ae3a1/FLAGaff7ed8fc [2019-11-24 04:28:29,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8366fccf/1bd2e2c0e290424aabfa059fd21ae3a1 [2019-11-24 04:28:29,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:28:29,038 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:28:29,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:28:29,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:28:29,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:28:29,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44962956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29, skipping insertion in model container [2019-11-24 04:28:29,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:28:29,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:28:29,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:28:29,293 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:28:29,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:28:29,324 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:28:29,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29 WrapperNode [2019-11-24 04:28:29,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:28:29,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:28:29,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:28:29,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:28:29,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:28:29,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:28:29,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:28:29,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:28:29,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (1/1) ... [2019-11-24 04:28:29,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:28:29,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:28:29,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:28:29,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:28:29,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (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 04:28:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 04:28:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:28:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:28:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:28:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 04:28:29,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:28:29,846 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-24 04:28:29,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:28:29 BoogieIcfgContainer [2019-11-24 04:28:29,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:28:29,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:28:29,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:28:29,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:28:29,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:28:29" (1/3) ... [2019-11-24 04:28:29,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1173263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:28:29, skipping insertion in model container [2019-11-24 04:28:29,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:28:29" (2/3) ... [2019-11-24 04:28:29,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1173263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:28:29, skipping insertion in model container [2019-11-24 04:28:29,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:28:29" (3/3) ... [2019-11-24 04:28:29,857 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-11-24 04:28:29,869 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:28:29,875 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:28:29,887 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:28:29,912 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:28:29,912 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:28:29,912 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:28:29,912 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:28:29,913 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:28:29,913 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:28:29,913 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:28:29,913 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:28:29,929 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:28:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:28:29,935 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:28:29,936 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:28:29,936 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:28:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:28:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1916652, now seen corresponding path program 1 times [2019-11-24 04:28:29,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:28:29,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336241925] [2019-11-24 04:28:29,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:28:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:28:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:28:30,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336241925] [2019-11-24 04:28:30,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:28:30,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:28:30,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999924328] [2019-11-24 04:28:30,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:28:30,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:28:30,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:28:30,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 04:28:30,170 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2019-11-24 04:28:30,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:28:30,250 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2019-11-24 04:28:30,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-24 04:28:30,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-24 04:28:30,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:28:30,262 INFO L225 Difference]: With dead ends: 17 [2019-11-24 04:28:30,262 INFO L226 Difference]: Without dead ends: 9 [2019-11-24 04:28:30,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-24 04:28:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-24 04:28:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-24 04:28:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-24 04:28:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-24 04:28:30,296 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2019-11-24 04:28:30,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:28:30,296 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-24 04:28:30,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:28:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-24 04:28:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:28:30,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:28:30,298 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-24 04:28:30,298 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:28:30,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:28:30,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1269628337, now seen corresponding path program 1 times [2019-11-24 04:28:30,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:28:30,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879240065] [2019-11-24 04:28:30,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:28:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:28:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:28:30,393 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879240065] [2019-11-24 04:28:30,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431658882] [2019-11-24 04:28:30,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:28:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:28:30,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-24 04:28:30,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:28:30,529 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:28:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:28:30,545 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:28:30,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:28:30,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 04:28:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:28:30,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1252343051] [2019-11-24 04:28:30,636 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-24 04:28:30,636 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:28:30,642 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:28:30,649 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:28:30,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:28:30,879 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:30,914 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,187 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,241 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,277 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,293 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,457 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,477 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,526 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,537 WARN L213 Elim1Store]: Array PQE input equivalent to false [2019-11-24 04:28:31,775 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:28:32,970 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 118 DAG size of output: 87 [2019-11-24 04:28:33,555 WARN L192 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 77 [2019-11-24 04:28:33,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:28:33,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 5, 6] total 10 [2019-11-24 04:28:33,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220474131] [2019-11-24 04:28:33,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:28:33,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:28:33,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:28:33,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-24 04:28:33,609 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 4 states. [2019-11-24 04:28:33,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:28:33,631 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-11-24 04:28:33,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:28:33,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-24 04:28:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:28:33,632 INFO L225 Difference]: With dead ends: 8 [2019-11-24 04:28:33,632 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:28:33,633 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-24 04:28:33,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:28:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:28:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:28:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:28:33,634 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-24 04:28:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:28:33,635 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:28:33,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:28:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:28:33,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:28:33,840 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:28:33,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:28:34,524 WARN L192 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-11-24 04:28:34,847 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-11-24 04:28:34,851 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:28:34,851 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-24 04:28:34,852 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 04:28:34,852 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-24 04:28:34,853 INFO L440 ceAbstractionStarter]: At program point L18-3(lines 18 22) the Hoare annotation is: (let ((.cse4 (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (.cse10 (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond)) (.cse11 (= 1 (select (select |#memory_int| ULTIMATE.start_glob2_~p~0.base) (+ ULTIMATE.start_glob2_~p~0.offset (- 4))))) (.cse12 (<= ~tmp~0.offset 4)) (.cse13 (<= 4 ULTIMATE.start_main_~bound~0.offset)) (.cse17 (= ULTIMATE.start_glob2_~pathlim.base ULTIMATE.start_glob2_~p~0.base)) (.cse21 (<= ULTIMATE.start_main_~bound~0.offset 4)) (.cse22 (<= 0 |ULTIMATE.start_main_~#pathbuf~0.offset|)) (.cse0 (= 8 (select |#length| |ULTIMATE.start_main_~#pathbuf~0.base|))) (.cse8 (= |ULTIMATE.start_glob2_#in~pathbuf.offset| |ULTIMATE.start_main_~#pathbuf~0.offset|)) (.cse1 (= 0 |#NULL.base|)) (.cse9 (< 0 |#StackHeapBarrier|)) (.cse2 (= ULTIMATE.start_glob2_~pathlim.offset |ULTIMATE.start_glob2_#in~pathlim.offset|)) (.cse3 (= ULTIMATE.start_main_~bound~0.offset |ULTIMATE.start_glob2_#in~pathlim.offset|)) (.cse14 (= |ULTIMATE.start_glob2_#in~pathbuf.offset| ULTIMATE.start_glob2_~pathbuf.offset)) (.cse15 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#pathbuf~0.base|)) (.cse16 (= |ULTIMATE.start_main_~#pathbuf~0.base| ULTIMATE.start_main_~bound~0.base)) (.cse18 (= 0 (select |#valid| 0))) (.cse5 (= ULTIMATE.start_glob2_~pathbuf.base ULTIMATE.start_glob2_~p~0.base)) (.cse19 (= |#NULL.offset| 0)) (.cse6 (= |ULTIMATE.start_main_~#pathbuf~0.base| |ULTIMATE.start_glob2_#in~pathbuf.base|)) (.cse20 (= |ULTIMATE.start_glob2_#in~pathbuf.base| ULTIMATE.start_glob2_~pathbuf.base)) (.cse7 (= |ULTIMATE.start_glob2_#in~pathlim.base| ULTIMATE.start_main_~bound~0.base)) (.cse23 (= (select |#valid| |ULTIMATE.start_main_~#pathbuf~0.base|) 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_glob2_~p~0.offset (+ ULTIMATE.start_glob2_~pathbuf.offset 4)) .cse4 (<= 4 ~tmp~0.offset) .cse5 (= ~tmp~0.base ULTIMATE.start_glob2_~p~0.base) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (<= |ULTIMATE.start_glob2_#in~pathbuf.offset| 0) .cse21 .cse22 .cse23) (and .cse0 .cse1 (= ULTIMATE.start_glob2_~pathlim.base ULTIMATE.start_glob2_~pathbuf.base) .cse3 .cse4 (= (select (select |#memory_int| ULTIMATE.start_glob2_~pathlim.base) ULTIMATE.start_glob2_~pathbuf.offset) 1) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= ULTIMATE.start_glob2_~pathlim.offset 4) .cse12 (<= ULTIMATE.start_glob2_~p~0.offset (+ ~tmp~0.offset 4)) .cse13 .cse14 .cse15 (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base) .cse16 .cse17 .cse18 .cse19 .cse20 (= ULTIMATE.start_glob2_~p~0.offset (+ ULTIMATE.start_glob2_~pathbuf.offset 8)) .cse21 (<= ULTIMATE.start_glob2_~p~0.offset (+ ULTIMATE.start_glob2_~pathlim.offset 4)) .cse22 .cse23) (let ((.cse24 (+ |ULTIMATE.start_main_~#pathbuf~0.offset| 4))) (and .cse0 .cse8 (= ULTIMATE.start_glob2_~p~0.offset ULTIMATE.start_glob2_~pathbuf.offset) .cse1 .cse9 .cse2 .cse3 (= ULTIMATE.start_main_~bound~0.offset .cse24) .cse14 (= ~tmp~0.offset .cse24) (= |ULTIMATE.start_main_~#pathbuf~0.base| ~tmp~0.base) .cse15 .cse16 .cse18 (= 0 |ULTIMATE.start_main_~#pathbuf~0.offset|) .cse5 (= |ULTIMATE.start_glob2_#in~pathlim.base| ULTIMATE.start_glob2_~pathlim.base) .cse19 .cse6 .cse20 .cse7 .cse23)))) [2019-11-24 04:28:34,853 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-24 04:28:34,853 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (<= 0 ULTIMATE.start_glob2_~pathbuf.offset) (<= |ULTIMATE.start_main_~#pathbuf~0.offset| 0) (<= ULTIMATE.start_glob2_~pathlim.offset 4) (let ((.cse0 (= 8 (select |#length| |ULTIMATE.start_main_~#pathbuf~0.base|))) (.cse1 (= 0 |#NULL.base|)) (.cse2 (< 0 |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~bound~0.offset |ULTIMATE.start_glob2_#in~pathlim.offset|)) (.cse5 (= |ULTIMATE.start_glob2_#in~pathbuf.offset| ULTIMATE.start_glob2_~pathbuf.offset)) (.cse6 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#pathbuf~0.base|)) (.cse7 (= |ULTIMATE.start_main_~#pathbuf~0.base| ULTIMATE.start_main_~bound~0.base)) (.cse8 (= ULTIMATE.start_glob2_~pathlim.base ULTIMATE.start_glob2_~p~0.base)) (.cse9 (= 0 (select |#valid| 0))) (.cse10 (= |ULTIMATE.start_glob2_#in~pathlim.base| ULTIMATE.start_glob2_~pathlim.base)) (.cse11 (= |ULTIMATE.start_main_~#pathbuf~0.base| |ULTIMATE.start_glob2_#in~pathbuf.base|)) (.cse12 (= |ULTIMATE.start_glob2_#in~pathbuf.base| ULTIMATE.start_glob2_~pathbuf.base)) (.cse13 (= |ULTIMATE.start_glob2_#in~pathlim.base| ULTIMATE.start_main_~bound~0.base)) (.cse14 (= (select |#valid| |ULTIMATE.start_main_~#pathbuf~0.base|) 1))) (or (and (= (ite (and (<= ULTIMATE.start_glob2_~p~0.offset ~tmp~0.offset) (= ~tmp~0.base ULTIMATE.start_glob2_~p~0.base)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) .cse0 (= ULTIMATE.start_glob2_~p~0.offset ULTIMATE.start_glob2_~pathbuf.offset) .cse1 .cse2 (= ULTIMATE.start_glob2_~pathlim.offset |ULTIMATE.start_glob2_#in~pathlim.offset|) .cse3 .cse4 .cse5 (= |ULTIMATE.start_main_~#pathbuf~0.base| ~tmp~0.base) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_glob2_~p~0.offset (+ ULTIMATE.start_glob2_~pathbuf.offset 4)) (= ULTIMATE.start_glob2_~pathlim.base ~tmp~0.base) .cse7 (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= (select (select |#memory_int| ULTIMATE.start_glob2_~pathlim.base) ULTIMATE.start_glob2_~pathbuf.offset) 1) .cse8 .cse9 (<= ULTIMATE.start_glob2_~p~0.offset ULTIMATE.start_glob2_~pathlim.offset) .cse10 .cse11 .cse12 .cse13 .cse14))) (<= 4 ~tmp~0.offset) (<= ~tmp~0.offset 4) (<= 4 ULTIMATE.start_main_~bound~0.offset) (<= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_glob2_#in~pathbuf.offset| 0) (<= ULTIMATE.start_main_~bound~0.offset 4) (<= 0 |ULTIMATE.start_main_~#pathbuf~0.offset|)) [2019-11-24 04:28:34,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,874 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,885 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,886 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,887 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:28:34 BoogieIcfgContainer [2019-11-24 04:28:34,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:28:34,913 INFO L168 Benchmark]: Toolchain (without parser) took 5876.63 ms. Allocated memory was 143.7 MB in the beginning and 286.3 MB in the end (delta: 142.6 MB). Free memory was 101.5 MB in the beginning and 167.9 MB in the end (delta: -66.4 MB). Peak memory consumption was 154.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,913 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.15 ms. Allocated memory is still 143.7 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.93 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 91.3 MB in the beginning and 178.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,916 INFO L168 Benchmark]: Boogie Preprocessor took 35.60 ms. Allocated memory is still 199.8 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,917 INFO L168 Benchmark]: RCFGBuilder took 365.68 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 158.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,918 INFO L168 Benchmark]: TraceAbstraction took 5061.82 ms. Allocated memory was 199.8 MB in the beginning and 286.3 MB in the end (delta: 86.5 MB). Free memory was 158.4 MB in the beginning and 167.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 155.6 MB. Max. memory is 7.1 GB. [2019-11-24 04:28:34,923 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.15 ms. Allocated memory is still 143.7 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 120.93 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 91.3 MB in the beginning and 178.3 MB in the end (delta: -87.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.60 ms. Allocated memory is still 199.8 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.68 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 158.4 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5061.82 ms. Allocated memory was 199.8 MB in the beginning and 286.3 MB in the end (delta: 86.5 MB). Free memory was 158.4 MB in the beginning and 167.9 MB in the end (delta: -9.5 MB). Peak memory consumption was 155.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant [2019-11-24 04:28:34,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((((((((((((((((((((8 == unknown-#length-unknown[pathbuf] && 0 == #NULL) && pathlim == pathlim) && bound == pathlim) && p == pathbuf + 4) && 1 == \old(cond)) && 4 <= tmp) && pathbuf == p) && tmp == p) && pathbuf == pathbuf) && pathlim == bound) && pathbuf == pathbuf) && 0 < unknown-#StackHeapBarrier-unknown) && \old(cond) == cond) && 1 == unknown-#memory_int-unknown[p][p + -4]) && tmp <= 4) && 4 <= bound) && pathbuf == pathbuf) && unknown-#StackHeapBarrier-unknown < pathbuf) && pathbuf == bound) && pathlim == p) && 0 == \valid[0]) && #NULL == 0) && pathbuf == pathbuf) && pathbuf <= 0) && bound <= 4) && 0 <= pathbuf) && \valid[pathbuf] == 1) || ((((((((((((((((((((((((((((8 == unknown-#length-unknown[pathbuf] && 0 == #NULL) && pathlim == pathbuf) && bound == pathlim) && 1 == \old(cond)) && unknown-#memory_int-unknown[pathlim][pathbuf] == 1) && pathbuf == pathbuf) && pathlim == bound) && pathbuf == pathbuf) && 0 < unknown-#StackHeapBarrier-unknown) && \old(cond) == cond) && 1 == unknown-#memory_int-unknown[p][p + -4]) && pathlim <= 4) && tmp <= 4) && p <= tmp + 4) && 4 <= bound) && pathbuf == pathbuf) && unknown-#StackHeapBarrier-unknown < pathbuf) && pathlim == tmp) && pathbuf == bound) && pathlim == p) && 0 == \valid[0]) && #NULL == 0) && pathbuf == pathbuf) && p == pathbuf + 8) && bound <= 4) && p <= pathlim + 4) && 0 <= pathbuf) && \valid[pathbuf] == 1)) || (((((((((((((((((((((8 == unknown-#length-unknown[pathbuf] && pathbuf == pathbuf) && p == pathbuf) && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && pathlim == pathlim) && bound == pathlim) && bound == pathbuf + 4) && pathbuf == pathbuf) && tmp == pathbuf + 4) && pathbuf == tmp) && unknown-#StackHeapBarrier-unknown < pathbuf) && pathbuf == bound) && 0 == \valid[0]) && 0 == pathbuf) && pathbuf == p) && pathlim == pathlim) && #NULL == 0) && pathbuf == pathbuf) && pathbuf == pathbuf) && pathlim == bound) && \valid[pathbuf] == 1) - InvariantResult [Line: 3]: Loop Invariant [2019-11-24 04:28:34,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-24 04:28:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-24 04:28:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-24 04:28:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-24 04:28:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((0 <= pathbuf && pathbuf <= 0) && pathlim <= 4) && ((((((((((((((((((((if p <= tmp && tmp == p then 1 else 0) == \old(cond) && 8 == unknown-#length-unknown[pathbuf]) && p == pathbuf) && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && pathlim == pathlim) && \old(cond) == cond) && bound == pathlim) && pathbuf == pathbuf) && pathbuf == tmp) && unknown-#StackHeapBarrier-unknown < pathbuf) && pathbuf == bound) && pathlim == p) && 0 == \valid[0]) && pathlim == pathlim) && pathbuf == pathbuf) && pathbuf == pathbuf) && pathlim == bound) && \valid[pathbuf] == 1) || (((((((((((((((((((8 == unknown-#length-unknown[pathbuf] && 0 == #NULL) && 0 < unknown-#StackHeapBarrier-unknown) && \old(cond) == cond) && bound == pathlim) && pathbuf == pathbuf) && unknown-#StackHeapBarrier-unknown < pathbuf) && p == pathbuf + 4) && pathlim == tmp) && pathbuf == bound) && 1 == \old(cond)) && unknown-#memory_int-unknown[pathlim][pathbuf] == 1) && pathlim == p) && 0 == \valid[0]) && p <= pathlim) && pathlim == pathlim) && pathbuf == pathbuf) && pathbuf == pathbuf) && pathlim == bound) && \valid[pathbuf] == 1))) && 4 <= tmp) && tmp <= 4) && 4 <= bound) && #NULL <= 0) && 0 <= #NULL) && pathbuf <= 0) && bound <= 4) && 0 <= pathbuf - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 6 SDtfs, 7 SDslu, 5 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 468 HoareAnnotationTreeSize, 2 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 306 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 14 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 1140, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 11, TOOLS_POST_TIME[ms]: 698, 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: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 689, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 251, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 185, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 172, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 542, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 541, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, 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]: 9, DAG_COMPRESSION_PROCESSED_NODES: 39, DAG_COMPRESSION_RETAINED_NODES: 21, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...