/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_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:11:08,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:11:08,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:11:08,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:11:08,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:11:08,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:11:08,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:11:08,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:11:08,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:11:08,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:11:08,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:11:08,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:11:08,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:11:08,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:11:08,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:11:08,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:11:08,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:11:08,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:11:08,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:11:08,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:11:08,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:11:08,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:11:08,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:11:08,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:11:08,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:11:08,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:11:08,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:11:08,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:11:08,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:11:08,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:11:08,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:11:08,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:11:08,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:11:08,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:11:08,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:11:08,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:11:08,535 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 05:11:08,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:11:08,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:11:08,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:11:08,557 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:11:08,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:11:08,557 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:11:08,557 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:11:08,558 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:11:08,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:11:08,558 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:11:08,558 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:11:08,558 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:11:08,559 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:11:08,559 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:11:08,559 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:11:08,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:11:08,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:11:08,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:11:08,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:11:08,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:11:08,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:11:08,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:11:08,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:11:08,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:11:08,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:11:08,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:11:08,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:11:08,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:11:08,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:11:08,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:11:08,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:11:08,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:11:08,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:11:08,563 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:11:08,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:11:08,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:11:08,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:11:08,564 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:11:08,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:11:08,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:11:08,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:11:08,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:11:08,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:11:08,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-11-24 05:11:08,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae2bd199/c55835cc02d64c7e89dc134772a5c4a9/FLAGcea0bbe8c [2019-11-24 05:11:09,589 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:11:09,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-11-24 05:11:09,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae2bd199/c55835cc02d64c7e89dc134772a5c4a9/FLAGcea0bbe8c [2019-11-24 05:11:09,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae2bd199/c55835cc02d64c7e89dc134772a5c4a9 [2019-11-24 05:11:09,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:11:09,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:11:09,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:11:09,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:11:09,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:11:09,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:11:09" (1/1) ... [2019-11-24 05:11:09,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae40d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:09, skipping insertion in model container [2019-11-24 05:11:09,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:11:09" (1/1) ... [2019-11-24 05:11:09,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:11:09,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:11:10,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:11:10,699 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:11:10,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:11:10,941 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:11:10,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10 WrapperNode [2019-11-24 05:11:10,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:11:10,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:11:10,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:11:10,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:11:10,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:11:11,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:11:11,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:11:11,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:11:11,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (1/1) ... [2019-11-24 05:11:11,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:11:11,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:11:11,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:11:11,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:11:11,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (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 05:11:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 05:11:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:11:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:11:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:11:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:11:17,045 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:11:17,046 INFO L284 CfgBuilder]: Removed 231 assume(true) statements. [2019-11-24 05:11:17,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:11:17 BoogieIcfgContainer [2019-11-24 05:11:17,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:11:17,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:11:17,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:11:17,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:11:17,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:11:09" (1/3) ... [2019-11-24 05:11:17,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a93cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:11:17, skipping insertion in model container [2019-11-24 05:11:17,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:11:10" (2/3) ... [2019-11-24 05:11:17,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a93cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:11:17, skipping insertion in model container [2019-11-24 05:11:17,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:11:17" (3/3) ... [2019-11-24 05:11:17,059 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2019-11-24 05:11:17,068 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:11:17,081 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 05:11:17,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 05:11:17,121 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:11:17,121 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:11:17,121 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:11:17,121 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:11:17,121 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:11:17,122 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:11:17,122 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:11:17,122 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:11:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-11-24 05:11:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:11:17,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:11:17,147 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:11:17,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:11:17,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:11:17,154 INFO L82 PathProgramCache]: Analyzing trace with hash 426367689, now seen corresponding path program 1 times [2019-11-24 05:11:17,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:11:17,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660657136] [2019-11-24 05:11:17,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:11:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:11:17,560 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 05:11:17,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660657136] [2019-11-24 05:11:17,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:11:17,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:11:17,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23916866] [2019-11-24 05:11:17,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:11:17,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:11:17,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:11:17,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:11:17,579 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2019-11-24 05:11:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:11:17,603 INFO L93 Difference]: Finished difference Result 54 states and 87 transitions. [2019-11-24 05:11:17,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:11:17,604 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:11:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:11:17,617 INFO L225 Difference]: With dead ends: 54 [2019-11-24 05:11:17,617 INFO L226 Difference]: Without dead ends: 37 [2019-11-24 05:11:17,621 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 05:11:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-24 05:11:17,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-24 05:11:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-24 05:11:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 60 transitions. [2019-11-24 05:11:17,663 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 60 transitions. Word has length 7 [2019-11-24 05:11:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:11:17,663 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 60 transitions. [2019-11-24 05:11:17,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:11:17,663 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-11-24 05:11:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:11:17,664 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:11:17,664 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:11:17,665 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:11:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:11:17,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1903113927, now seen corresponding path program 1 times [2019-11-24 05:11:17,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:11:17,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219758557] [2019-11-24 05:11:17,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:11:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:11:17,780 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 05:11:17,781 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219758557] [2019-11-24 05:11:17,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:11:17,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:11:17,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994742229] [2019-11-24 05:11:17,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:11:17,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:11:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:11:17,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:11:17,784 INFO L87 Difference]: Start difference. First operand 37 states and 60 transitions. Second operand 3 states. [2019-11-24 05:11:17,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:11:17,821 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2019-11-24 05:11:17,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:11:17,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:11:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:11:17,823 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:11:17,824 INFO L226 Difference]: Without dead ends: 39 [2019-11-24 05:11:17,825 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 05:11:17,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-24 05:11:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-24 05:11:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-24 05:11:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 62 transitions. [2019-11-24 05:11:17,834 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 62 transitions. Word has length 8 [2019-11-24 05:11:17,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:11:17,834 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 62 transitions. [2019-11-24 05:11:17,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:11:17,835 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-11-24 05:11:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 05:11:17,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:11:17,836 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:11:17,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:11:17,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:11:17,837 INFO L82 PathProgramCache]: Analyzing trace with hash 205856497, now seen corresponding path program 1 times [2019-11-24 05:11:17,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:11:17,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207176649] [2019-11-24 05:11:17,837 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:11:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:11:18,000 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 05:11:18,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207176649] [2019-11-24 05:11:18,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:11:18,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:11:18,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817783348] [2019-11-24 05:11:18,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:11:18,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:11:18,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:11:18,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:11:18,004 INFO L87 Difference]: Start difference. First operand 39 states and 62 transitions. Second operand 3 states. [2019-11-24 05:11:18,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:11:18,033 INFO L93 Difference]: Finished difference Result 45 states and 67 transitions. [2019-11-24 05:11:18,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:11:18,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 05:11:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:11:18,035 INFO L225 Difference]: With dead ends: 45 [2019-11-24 05:11:18,035 INFO L226 Difference]: Without dead ends: 36 [2019-11-24 05:11:18,036 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 05:11:18,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-24 05:11:18,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-24 05:11:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-24 05:11:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 58 transitions. [2019-11-24 05:11:18,043 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 58 transitions. Word has length 12 [2019-11-24 05:11:18,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:11:18,043 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 58 transitions. [2019-11-24 05:11:18,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:11:18,043 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-11-24 05:11:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 05:11:18,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:11:18,045 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:11:18,045 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:11:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:11:18,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1432369871, now seen corresponding path program 1 times [2019-11-24 05:11:18,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:11:18,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048527197] [2019-11-24 05:11:18,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:11:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:11:18,232 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 05:11:18,233 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048527197] [2019-11-24 05:11:18,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:11:18,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:11:18,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103080820] [2019-11-24 05:11:18,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:11:18,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:11:18,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:11:18,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:11:18,237 INFO L87 Difference]: Start difference. First operand 36 states and 58 transitions. Second operand 4 states. [2019-11-24 05:11:18,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:11:18,276 INFO L93 Difference]: Finished difference Result 36 states and 58 transitions. [2019-11-24 05:11:18,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:11:18,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 05:11:18,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:11:18,277 INFO L225 Difference]: With dead ends: 36 [2019-11-24 05:11:18,277 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:11:18,279 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 05:11:18,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:11:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:11:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:11:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:11:18,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-24 05:11:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:11:18,281 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:11:18,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:11:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:11:18,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:11:18,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:11:18,457 INFO L440 ceAbstractionStarter]: At program point L828(lines 828 835) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,458 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 747) no Hoare annotation was computed. [2019-11-24 05:11:18,458 INFO L444 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-11-24 05:11:18,458 INFO L440 ceAbstractionStarter]: At program point L901(lines 891 947) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,458 INFO L440 ceAbstractionStarter]: At program point L837(lines 824 952) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,458 INFO L440 ceAbstractionStarter]: At program point L906(lines 906 913) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,458 INFO L440 ceAbstractionStarter]: At program point L842(lines 842 849) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,459 INFO L440 ceAbstractionStarter]: At program point L584(lines 584 591) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,459 INFO L447 ceAbstractionStarter]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2019-11-24 05:11:18,459 INFO L440 ceAbstractionStarter]: At program point L915(lines 902 946) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,459 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:11:18,459 INFO L440 ceAbstractionStarter]: At program point L851(lines 838 951) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,460 INFO L440 ceAbstractionStarter]: At program point L920(lines 920 927) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,460 INFO L440 ceAbstractionStarter]: At program point L856(lines 856 863) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,460 INFO L444 ceAbstractionStarter]: For program point L792(lines 791 955) no Hoare annotation was computed. [2019-11-24 05:11:18,460 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 747) no Hoare annotation was computed. [2019-11-24 05:11:18,460 INFO L440 ceAbstractionStarter]: At program point L528(lines 528 536) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= ULTIMATE.start_bobToRjh_~tmp___1~0 1)) [2019-11-24 05:11:18,460 INFO L440 ceAbstractionStarter]: At program point L929(lines 916 945) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,461 INFO L440 ceAbstractionStarter]: At program point L865(lines 852 950) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,461 INFO L444 ceAbstractionStarter]: For program point L799(lines 799 954) no Hoare annotation was computed. [2019-11-24 05:11:18,461 INFO L440 ceAbstractionStarter]: At program point L934(lines 934 941) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,461 INFO L440 ceAbstractionStarter]: At program point L934-1(lines 791 955) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,461 INFO L440 ceAbstractionStarter]: At program point L803(lines 803 810) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,461 INFO L444 ceAbstractionStarter]: For program point L870(lines 870 874) no Hoare annotation was computed. [2019-11-24 05:11:18,462 INFO L440 ceAbstractionStarter]: At program point L1401(lines 1401 1414) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,462 INFO L440 ceAbstractionStarter]: At program point L1401-1(lines 1391 1417) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,462 INFO L440 ceAbstractionStarter]: At program point L1401-2(lines 1401 1414) the Hoare annotation is: false [2019-11-24 05:11:18,462 INFO L447 ceAbstractionStarter]: At program point L1401-3(lines 1391 1417) the Hoare annotation is: true [2019-11-24 05:11:18,462 INFO L440 ceAbstractionStarter]: At program point L876(lines 866 949) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,462 INFO L444 ceAbstractionStarter]: For program point L1405(lines 1405 1411) no Hoare annotation was computed. [2019-11-24 05:11:18,462 INFO L444 ceAbstractionStarter]: For program point L1405-2(lines 1405 1411) no Hoare annotation was computed. [2019-11-24 05:11:18,463 INFO L440 ceAbstractionStarter]: At program point L812(lines 799 954) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,463 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:11:18,463 INFO L444 ceAbstractionStarter]: For program point L747(line 747) no Hoare annotation was computed. [2019-11-24 05:11:18,463 INFO L444 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2019-11-24 05:11:18,463 INFO L440 ceAbstractionStarter]: At program point L881(lines 881 888) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,463 INFO L444 ceAbstractionStarter]: For program point L817(lines 817 821) no Hoare annotation was computed. [2019-11-24 05:11:18,463 INFO L440 ceAbstractionStarter]: At program point L823(lines 813 953) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,464 INFO L440 ceAbstractionStarter]: At program point L956(lines 790 957) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,464 INFO L440 ceAbstractionStarter]: At program point L890(lines 877 948) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:11:18,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:11:18 BoogieIcfgContainer [2019-11-24 05:11:18,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:11:18,486 INFO L168 Benchmark]: Toolchain (without parser) took 8685.02 ms. Allocated memory was 142.6 MB in the beginning and 343.9 MB in the end (delta: 201.3 MB). Free memory was 99.6 MB in the beginning and 104.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 196.8 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,487 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 142.6 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.64 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 99.4 MB in the beginning and 141.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.47 ms. Allocated memory is still 203.9 MB. Free memory was 141.9 MB in the beginning and 133.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,490 INFO L168 Benchmark]: Boogie Preprocessor took 142.14 ms. Allocated memory is still 203.9 MB. Free memory was 133.7 MB in the beginning and 127.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,491 INFO L168 Benchmark]: RCFGBuilder took 5818.07 ms. Allocated memory was 203.9 MB in the beginning and 343.9 MB in the end (delta: 140.0 MB). Free memory was 127.4 MB in the beginning and 224.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 146.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,492 INFO L168 Benchmark]: TraceAbstraction took 1431.80 ms. Allocated memory is still 343.9 MB. Free memory was 224.2 MB in the beginning and 104.2 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:11:18,497 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 142.6 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1141.64 ms. Allocated memory was 142.6 MB in the beginning and 203.9 MB in the end (delta: 61.3 MB). Free memory was 99.4 MB in the beginning and 141.9 MB in the end (delta: -42.5 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 145.47 ms. Allocated memory is still 203.9 MB. Free memory was 141.9 MB in the beginning and 133.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.14 ms. Allocated memory is still 203.9 MB. Free memory was 133.7 MB in the beginning and 127.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5818.07 ms. Allocated memory was 203.9 MB in the beginning and 343.9 MB in the end (delta: 140.0 MB). Free memory was 127.4 MB in the beginning and 224.2 MB in the end (delta: -96.8 MB). Peak memory consumption was 146.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1431.80 ms. Allocated memory is still 343.9 MB. Free memory was 224.2 MB in the beginning and 104.2 MB in the end (delta: 120.1 MB). Peak memory consumption was 120.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 747]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 747]: 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: 842]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 == queue_empty && tmp___1 == 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1401]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1391]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1391]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 2 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 231 SDtfs, 86 SDslu, 110 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 35 NumberOfFragments, 172 HoareAnnotationTreeSize, 28 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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...