/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/product-lines/email_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:50:51,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:50:51,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:50:51,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:50:51,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:50:51,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:50:51,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:50:51,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:50:51,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:50:51,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:50:51,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:50:51,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:50:51,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:50:51,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:50:51,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:50:51,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:50:51,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:50:51,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:50:51,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:50:51,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:50:51,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:50:51,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:50:51,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:50:51,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:50:51,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:50:51,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:50:51,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:50:51,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:50:51,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:50:51,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:50:51,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:50:51,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:50:51,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:50:51,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:50:51,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:50:51,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:50:51,923 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 04:50:51,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:50:51,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:50:51,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:50:51,964 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:50:51,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:50:51,964 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:50:51,964 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:50:51,965 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:50:51,965 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:50:51,965 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:50:51,965 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:50:51,965 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:50:51,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:50:51,966 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:50:51,967 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:50:51,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:50:51,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:50:51,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:50:51,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:50:51,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:50:51,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:50:51,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:50:51,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:50:51,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:50:51,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:50:51,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:50:51,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:50:51,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:50:51,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:50:51,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:50:51,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:50:51,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:50:51,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:50:51,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:50:51,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:50:51,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:50:51,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:50:51,972 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:50:52,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:50:52,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:50:52,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:50:52,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:50:52,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:50:52,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-11-24 04:50:52,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707bb514b/9057d4325e77439daadff1ac311b5c30/FLAG19323ffd9 [2019-11-24 04:50:53,023 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:50:53,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-11-24 04:50:53,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707bb514b/9057d4325e77439daadff1ac311b5c30/FLAG19323ffd9 [2019-11-24 04:50:53,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/707bb514b/9057d4325e77439daadff1ac311b5c30 [2019-11-24 04:50:53,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:50:53,253 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:50:53,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:50:53,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:50:53,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:50:53,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:50:53" (1/1) ... [2019-11-24 04:50:53,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e8ed57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:53, skipping insertion in model container [2019-11-24 04:50:53,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:50:53" (1/1) ... [2019-11-24 04:50:53,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:50:53,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:50:54,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:50:54,024 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:50:54,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:50:54,272 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:50:54,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54 WrapperNode [2019-11-24 04:50:54,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:50:54,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:50:54,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:50:54,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:50:54,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:50:54,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:50:54,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:50:54,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:50:54,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (1/1) ... [2019-11-24 04:50:54,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:50:54,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:50:54,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:50:54,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:50:54,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (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 04:50:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 04:50:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:50:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 04:50:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:50:54,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:50:59,593 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:50:59,594 INFO L284 CfgBuilder]: Removed 203 assume(true) statements. [2019-11-24 04:50:59,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:50:59 BoogieIcfgContainer [2019-11-24 04:50:59,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:50:59,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:50:59,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:50:59,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:50:59,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:50:53" (1/3) ... [2019-11-24 04:50:59,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e0f6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:50:59, skipping insertion in model container [2019-11-24 04:50:59,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:54" (2/3) ... [2019-11-24 04:50:59,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e0f6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:50:59, skipping insertion in model container [2019-11-24 04:50:59,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:50:59" (3/3) ... [2019-11-24 04:50:59,604 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2019-11-24 04:50:59,614 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:50:59,622 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 04:50:59,633 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 04:50:59,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:50:59,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:50:59,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:50:59,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:50:59,659 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:50:59,659 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:50:59,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:50:59,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:50:59,676 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-24 04:50:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:50:59,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:50:59,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:50:59,684 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:50:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:50:59,691 INFO L82 PathProgramCache]: Analyzing trace with hash 622667890, now seen corresponding path program 1 times [2019-11-24 04:50:59,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:50:59,701 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126024921] [2019-11-24 04:50:59,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:50:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:51:00,042 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 04:51:00,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126024921] [2019-11-24 04:51:00,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:51:00,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:51:00,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088059295] [2019-11-24 04:51:00,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 04:51:00,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:51:00,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 04:51:00,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:51:00,068 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-24 04:51:00,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:51:00,095 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-24 04:51:00,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 04:51:00,097 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 04:51:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:51:00,110 INFO L225 Difference]: With dead ends: 56 [2019-11-24 04:51:00,111 INFO L226 Difference]: Without dead ends: 38 [2019-11-24 04:51:00,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:51:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-24 04:51:00,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-24 04:51:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-24 04:51:00,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-24 04:51:00,169 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-24 04:51:00,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:51:00,170 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-24 04:51:00,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 04:51:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-24 04:51:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:51:00,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:51:00,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:51:00,172 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:51:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:51:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash 844791944, now seen corresponding path program 1 times [2019-11-24 04:51:00,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:51:00,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689197945] [2019-11-24 04:51:00,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:51:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:51:00,324 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 04:51:00,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689197945] [2019-11-24 04:51:00,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:51:00,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:51:00,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119993579] [2019-11-24 04:51:00,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:51:00,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:51:00,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:51:00,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:51:00,329 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-24 04:51:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:51:00,356 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-24 04:51:00,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:51:00,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 04:51:00,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:51:00,359 INFO L225 Difference]: With dead ends: 52 [2019-11-24 04:51:00,359 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 04:51:00,361 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:51:00,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 04:51:00,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 04:51:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 04:51:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-24 04:51:00,378 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-24 04:51:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:51:00,378 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-24 04:51:00,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:51:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-24 04:51:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 04:51:00,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:51:00,383 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:51:00,383 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:51:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:51:00,384 INFO L82 PathProgramCache]: Analyzing trace with hash 464388012, now seen corresponding path program 1 times [2019-11-24 04:51:00,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:51:00,385 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115523784] [2019-11-24 04:51:00,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:51:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:51:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 04:51:00,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115523784] [2019-11-24 04:51:00,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:51:00,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:51:00,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436995225] [2019-11-24 04:51:00,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:51:00,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:51:00,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:51:00,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:51:00,594 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-24 04:51:00,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:51:00,613 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-24 04:51:00,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:51:00,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 04:51:00,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:51:00,615 INFO L225 Difference]: With dead ends: 43 [2019-11-24 04:51:00,615 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:51:00,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:51:00,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:51:00,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:51:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:51:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:51:00,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-24 04:51:00,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:51:00,617 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:51:00,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:51:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:51:00,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:51:00,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:51:00,747 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2520) no Hoare annotation was computed. [2019-11-24 04:51:00,747 INFO L447 ceAbstractionStarter]: At program point L1493(lines 1493 1499) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L1493-1(lines 1 2758) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L1493-2(lines 1493 1499) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L2618(lines 2605 2748) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L2751(lines 2582 2752) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L2685(lines 2672 2743) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L447 ceAbstractionStarter]: At program point L2623(lines 2623 2630) the Hoare annotation is: true [2019-11-24 04:51:00,748 INFO L444 ceAbstractionStarter]: For program point L2690(lines 2690 2694) no Hoare annotation was computed. [2019-11-24 04:51:00,749 INFO L447 ceAbstractionStarter]: At program point L2696(lines 2686 2742) the Hoare annotation is: true [2019-11-24 04:51:00,749 INFO L447 ceAbstractionStarter]: At program point L2632(lines 2619 2747) the Hoare annotation is: true [2019-11-24 04:51:00,749 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:51:00,749 INFO L447 ceAbstractionStarter]: At program point L2701(lines 2701 2708) the Hoare annotation is: true [2019-11-24 04:51:00,749 INFO L447 ceAbstractionStarter]: At program point L2637(lines 2637 2644) the Hoare annotation is: true [2019-11-24 04:51:00,749 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2520) no Hoare annotation was computed. [2019-11-24 04:51:00,750 INFO L447 ceAbstractionStarter]: At program point L2710(lines 2697 2741) the Hoare annotation is: true [2019-11-24 04:51:00,751 INFO L447 ceAbstractionStarter]: At program point L2646(lines 2633 2746) the Hoare annotation is: true [2019-11-24 04:51:00,751 INFO L447 ceAbstractionStarter]: At program point L2715(lines 2715 2722) the Hoare annotation is: true [2019-11-24 04:51:00,751 INFO L444 ceAbstractionStarter]: For program point L2584(lines 2583 2750) no Hoare annotation was computed. [2019-11-24 04:51:00,751 INFO L447 ceAbstractionStarter]: At program point L2651(lines 2651 2658) the Hoare annotation is: true [2019-11-24 04:51:00,751 INFO L444 ceAbstractionStarter]: For program point L2520(line 2520) no Hoare annotation was computed. [2019-11-24 04:51:00,752 INFO L444 ceAbstractionStarter]: For program point L2520-1(line 2520) no Hoare annotation was computed. [2019-11-24 04:51:00,752 INFO L447 ceAbstractionStarter]: At program point L2521-1(lines 2525 2542) the Hoare annotation is: true [2019-11-24 04:51:00,752 INFO L440 ceAbstractionStarter]: At program point L2521(lines 2525 2542) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~15) [2019-11-24 04:51:00,752 INFO L444 ceAbstractionStarter]: For program point L2591(lines 2591 2749) no Hoare annotation was computed. [2019-11-24 04:51:00,752 INFO L447 ceAbstractionStarter]: At program point L2724(lines 2711 2740) the Hoare annotation is: true [2019-11-24 04:51:00,752 INFO L447 ceAbstractionStarter]: At program point L2660(lines 2647 2745) the Hoare annotation is: true [2019-11-24 04:51:00,753 INFO L447 ceAbstractionStarter]: At program point L2595(lines 2595 2602) the Hoare annotation is: true [2019-11-24 04:51:00,753 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 04:51:00,754 INFO L447 ceAbstractionStarter]: At program point L2729-1(lines 2583 2750) the Hoare annotation is: true [2019-11-24 04:51:00,755 INFO L447 ceAbstractionStarter]: At program point L2729(lines 2729 2736) the Hoare annotation is: true [2019-11-24 04:51:00,755 INFO L447 ceAbstractionStarter]: At program point L220(lines 220 227) the Hoare annotation is: true [2019-11-24 04:51:00,755 INFO L447 ceAbstractionStarter]: At program point L220-1(lines 220 227) the Hoare annotation is: true [2019-11-24 04:51:00,755 INFO L444 ceAbstractionStarter]: For program point L2665(lines 2665 2669) no Hoare annotation was computed. [2019-11-24 04:51:00,755 INFO L444 ceAbstractionStarter]: For program point L2533(lines 2533 2539) no Hoare annotation was computed. [2019-11-24 04:51:00,755 INFO L444 ceAbstractionStarter]: For program point L2533-2(lines 2533 2539) no Hoare annotation was computed. [2019-11-24 04:51:00,756 INFO L447 ceAbstractionStarter]: At program point L2604(lines 2591 2749) the Hoare annotation is: true [2019-11-24 04:51:00,756 INFO L447 ceAbstractionStarter]: At program point L2671(lines 2661 2744) the Hoare annotation is: true [2019-11-24 04:51:00,756 INFO L447 ceAbstractionStarter]: At program point L164(lines 164 172) the Hoare annotation is: true [2019-11-24 04:51:00,757 INFO L447 ceAbstractionStarter]: At program point L2609(lines 2609 2616) the Hoare annotation is: true [2019-11-24 04:51:00,757 INFO L447 ceAbstractionStarter]: At program point L2676(lines 2676 2683) the Hoare annotation is: true [2019-11-24 04:51:00,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:51:00 BoogieIcfgContainer [2019-11-24 04:51:00,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:51:00,776 INFO L168 Benchmark]: Toolchain (without parser) took 7521.08 ms. Allocated memory was 143.7 MB in the beginning and 302.0 MB in the end (delta: 158.3 MB). Free memory was 99.1 MB in the beginning and 168.7 MB in the end (delta: -69.6 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,778 INFO L168 Benchmark]: CDTParser took 0.25 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 04:51:00,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1018.38 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 140.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.18 ms. Allocated memory is still 201.3 MB. Free memory was 140.3 MB in the beginning and 133.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,783 INFO L168 Benchmark]: Boogie Preprocessor took 88.90 ms. Allocated memory is still 201.3 MB. Free memory was 133.1 MB in the beginning and 128.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,789 INFO L168 Benchmark]: RCFGBuilder took 5065.78 ms. Allocated memory was 201.3 MB in the beginning and 302.0 MB in the end (delta: 100.7 MB). Free memory was 127.3 MB in the beginning and 240.0 MB in the end (delta: -112.7 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,790 INFO L168 Benchmark]: TraceAbstraction took 1175.82 ms. Allocated memory is still 302.0 MB. Free memory was 240.0 MB in the beginning and 168.7 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2019-11-24 04:51:00,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 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 1018.38 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 140.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 167.18 ms. Allocated memory is still 201.3 MB. Free memory was 140.3 MB in the beginning and 133.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.90 ms. Allocated memory is still 201.3 MB. Free memory was 133.1 MB in the beginning and 128.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5065.78 ms. Allocated memory was 201.3 MB in the beginning and 302.0 MB in the end (delta: 100.7 MB). Free memory was 127.3 MB in the beginning and 240.0 MB in the end (delta: -112.7 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1175.82 ms. Allocated memory is still 302.0 MB. Free memory was 240.0 MB in the beginning and 168.7 MB in the end (delta: 71.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2525]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2609]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2697]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 186 SDtfs, 4 SDslu, 111 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 42 NumberOfFragments, 32 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...