/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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:12:17,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:12:17,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:12:17,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:12:17,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:12:17,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:12:17,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:12:17,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:12:17,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:12:17,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:12:17,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:12:17,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:12:17,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:12:17,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:12:17,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:12:17,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:12:17,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:12:17,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:12:17,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:12:17,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:12:17,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:12:17,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:12:17,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:12:17,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:12:17,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:12:17,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:12:17,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:12:17,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:12:17,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:12:17,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:12:17,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:12:17,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:12:17,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:12:17,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:12:17,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:12:17,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:12:17,641 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 05:12:17,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:12:17,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:12:17,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:12:17,659 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:12:17,659 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:12:17,659 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:12:17,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:12:17,660 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:12:17,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:12:17,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:12:17,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:12:17,660 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:12:17,661 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:12:17,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:12:17,661 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:12:17,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:12:17,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:12:17,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:12:17,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:12:17,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:12:17,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:12:17,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:12:17,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:12:17,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:12:17,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:12:17,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:12:17,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:12:17,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:12:17,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:12:17,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:12:17,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:12:17,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:12:17,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:12:17,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:12:17,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:12:17,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:12:17,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:12:17,666 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:12:17,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:12:17,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:12:17,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:12:17,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:12:17,958 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:12:17,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-11-24 05:12:18,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b0ea27a/7fbb676f6ac64d45b0e1b6b0fa4b3750/FLAG4de5a7b39 [2019-11-24 05:12:18,607 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:12:18,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-11-24 05:12:18,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b0ea27a/7fbb676f6ac64d45b0e1b6b0fa4b3750/FLAG4de5a7b39 [2019-11-24 05:12:18,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1b0ea27a/7fbb676f6ac64d45b0e1b6b0fa4b3750 [2019-11-24 05:12:18,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:12:18,862 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:12:18,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:12:18,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:12:18,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:12:18,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:12:18" (1/1) ... [2019-11-24 05:12:18,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa637bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:18, skipping insertion in model container [2019-11-24 05:12:18,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:12:18" (1/1) ... [2019-11-24 05:12:18,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:12:18,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:12:19,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:12:19,742 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:12:19,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:12:20,045 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:12:20,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20 WrapperNode [2019-11-24 05:12:20,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:12:20,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:12:20,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:12:20,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:12:20,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:12:20,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:12:20,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:12:20,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:12:20,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (1/1) ... [2019-11-24 05:12:20,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:12:20,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:12:20,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:12:20,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:12:20,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (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 05:12:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 05:12:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:12:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:12:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:12:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:12:27,724 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:12:27,725 INFO L284 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-24 05:12:27,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:12:27 BoogieIcfgContainer [2019-11-24 05:12:27,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:12:27,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:12:27,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:12:27,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:12:27,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:12:18" (1/3) ... [2019-11-24 05:12:27,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f83c389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:12:27, skipping insertion in model container [2019-11-24 05:12:27,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:12:20" (2/3) ... [2019-11-24 05:12:27,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f83c389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:12:27, skipping insertion in model container [2019-11-24 05:12:27,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:12:27" (3/3) ... [2019-11-24 05:12:27,735 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product28.cil.c [2019-11-24 05:12:27,744 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:12:27,751 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 05:12:27,761 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 05:12:27,786 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:12:27,786 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:12:27,786 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:12:27,786 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:12:27,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:12:27,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:12:27,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:12:27,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:12:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-11-24 05:12:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:12:27,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:12:27,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:12:27,810 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:12:27,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:12:27,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1672744906, now seen corresponding path program 1 times [2019-11-24 05:12:27,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:12:27,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462175788] [2019-11-24 05:12:27,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:12:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:12:28,202 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 05:12:28,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462175788] [2019-11-24 05:12:28,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:12:28,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:12:28,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814421780] [2019-11-24 05:12:28,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:12:28,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:12:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:12:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:12:28,226 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2019-11-24 05:12:28,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:12:28,247 INFO L93 Difference]: Finished difference Result 54 states and 87 transitions. [2019-11-24 05:12:28,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:12:28,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 05:12:28,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:12:28,261 INFO L225 Difference]: With dead ends: 54 [2019-11-24 05:12:28,261 INFO L226 Difference]: Without dead ends: 37 [2019-11-24 05:12:28,264 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 05:12:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-24 05:12:28,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-24 05:12:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-24 05:12:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 60 transitions. [2019-11-24 05:12:28,305 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 60 transitions. Word has length 7 [2019-11-24 05:12:28,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:12:28,306 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 60 transitions. [2019-11-24 05:12:28,306 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:12:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-11-24 05:12:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:12:28,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:12:28,307 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:12:28,308 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:12:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:12:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash 918291089, now seen corresponding path program 1 times [2019-11-24 05:12:28,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:12:28,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457296889] [2019-11-24 05:12:28,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:12:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:12:28,488 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 05:12:28,489 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457296889] [2019-11-24 05:12:28,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:12:28,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:12:28,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011229349] [2019-11-24 05:12:28,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:12:28,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:12:28,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:12:28,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:12:28,493 INFO L87 Difference]: Start difference. First operand 37 states and 60 transitions. Second operand 3 states. [2019-11-24 05:12:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:12:28,520 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2019-11-24 05:12:28,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:12:28,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:12:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:12:28,522 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:12:28,522 INFO L226 Difference]: Without dead ends: 39 [2019-11-24 05:12:28,523 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 05:12:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-24 05:12:28,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-24 05:12:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-24 05:12:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 62 transitions. [2019-11-24 05:12:28,538 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 62 transitions. Word has length 8 [2019-11-24 05:12:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:12:28,538 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 62 transitions. [2019-11-24 05:12:28,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:12:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-11-24 05:12:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 05:12:28,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:12:28,539 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:12:28,540 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:12:28,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:12:28,542 INFO L82 PathProgramCache]: Analyzing trace with hash 925331430, now seen corresponding path program 1 times [2019-11-24 05:12:28,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:12:28,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947094283] [2019-11-24 05:12:28,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:12:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:12:28,793 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 05:12:28,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947094283] [2019-11-24 05:12:28,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:12:28,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:12:28,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156381176] [2019-11-24 05:12:28,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:12:28,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:12:28,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:12:28,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:12:28,796 INFO L87 Difference]: Start difference. First operand 39 states and 62 transitions. Second operand 3 states. [2019-11-24 05:12:28,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:12:28,827 INFO L93 Difference]: Finished difference Result 45 states and 67 transitions. [2019-11-24 05:12:28,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:12:28,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 05:12:28,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:12:28,829 INFO L225 Difference]: With dead ends: 45 [2019-11-24 05:12:28,829 INFO L226 Difference]: Without dead ends: 36 [2019-11-24 05:12:28,830 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 05:12:28,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-24 05:12:28,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-11-24 05:12:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-11-24 05:12:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 58 transitions. [2019-11-24 05:12:28,837 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 58 transitions. Word has length 12 [2019-11-24 05:12:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:12:28,837 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 58 transitions. [2019-11-24 05:12:28,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:12:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-11-24 05:12:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 05:12:28,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:12:28,838 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:12:28,839 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:12:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:12:28,839 INFO L82 PathProgramCache]: Analyzing trace with hash 64504198, now seen corresponding path program 1 times [2019-11-24 05:12:28,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:12:28,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924486957] [2019-11-24 05:12:28,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:12:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:12:29,051 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 05:12:29,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924486957] [2019-11-24 05:12:29,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:12:29,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:12:29,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77807808] [2019-11-24 05:12:29,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:12:29,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:12:29,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:12:29,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-24 05:12:29,053 INFO L87 Difference]: Start difference. First operand 36 states and 58 transitions. Second operand 4 states. [2019-11-24 05:12:29,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:12:29,098 INFO L93 Difference]: Finished difference Result 36 states and 58 transitions. [2019-11-24 05:12:29,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:12:29,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 05:12:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:12:29,099 INFO L225 Difference]: With dead ends: 36 [2019-11-24 05:12:29,099 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:12:29,100 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 05:12:29,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:12:29,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:12:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:12:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:12:29,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-24 05:12:29,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:12:29,101 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:12:29,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:12:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:12:29,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:12:29,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:12:29,269 INFO L444 ceAbstractionStarter]: For program point L1291(line 1291) no Hoare annotation was computed. [2019-11-24 05:12:29,270 INFO L440 ceAbstractionStarter]: At program point L234(lines 221 292) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,270 INFO L444 ceAbstractionStarter]: For program point L1291-1(line 1291) no Hoare annotation was computed. [2019-11-24 05:12:29,270 INFO L440 ceAbstractionStarter]: At program point L501(lines 501 514) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,270 INFO L440 ceAbstractionStarter]: At program point L501-1(lines 491 517) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,270 INFO L440 ceAbstractionStarter]: At program point L501-2(lines 501 514) the Hoare annotation is: false [2019-11-24 05:12:29,271 INFO L447 ceAbstractionStarter]: At program point L501-3(lines 491 517) the Hoare annotation is: true [2019-11-24 05:12:29,271 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2019-11-24 05:12:29,271 INFO L444 ceAbstractionStarter]: For program point L505(lines 505 511) no Hoare annotation was computed. [2019-11-24 05:12:29,271 INFO L444 ceAbstractionStarter]: For program point L505-2(lines 505 511) no Hoare annotation was computed. [2019-11-24 05:12:29,271 INFO L440 ceAbstractionStarter]: At program point L245(lines 235 291) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,271 INFO L440 ceAbstractionStarter]: At program point L250(lines 250 257) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,271 INFO L440 ceAbstractionStarter]: At program point L259(lines 246 290) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,272 INFO L440 ceAbstractionStarter]: At program point L1450(lines 1450 1457) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,272 INFO L447 ceAbstractionStarter]: At program point L1450-1(lines 1450 1457) the Hoare annotation is: true [2019-11-24 05:12:29,272 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1291) no Hoare annotation was computed. [2019-11-24 05:12:29,272 INFO L440 ceAbstractionStarter]: At program point L264(lines 264 271) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,272 INFO L444 ceAbstractionStarter]: For program point L136(lines 135 299) no Hoare annotation was computed. [2019-11-24 05:12:29,272 INFO L440 ceAbstractionStarter]: At program point L273(lines 260 289) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,273 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 298) no Hoare annotation was computed. [2019-11-24 05:12:29,273 INFO L440 ceAbstractionStarter]: At program point L278(lines 278 285) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,273 INFO L440 ceAbstractionStarter]: At program point L278-1(lines 135 299) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,273 INFO L440 ceAbstractionStarter]: At program point L147(lines 147 154) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,273 INFO L440 ceAbstractionStarter]: At program point L156(lines 143 298) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,274 INFO L444 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-11-24 05:12:29,274 INFO L440 ceAbstractionStarter]: At program point L167(lines 157 297) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,274 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1291) no Hoare annotation was computed. [2019-11-24 05:12:29,274 INFO L440 ceAbstractionStarter]: At program point L300(lines 134 301) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,274 INFO L440 ceAbstractionStarter]: At program point L172(lines 172 179) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L181(lines 168 296) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L186(lines 186 193) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,275 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L195(lines 182 295) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L200(lines 200 207) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L1394(lines 1394 1402) the Hoare annotation is: (and (= 1 ~queue_empty~0) (<= 1 ULTIMATE.start_bobToRjh_~tmp___1~2)) [2019-11-24 05:12:29,275 INFO L440 ceAbstractionStarter]: At program point L209(lines 196 294) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,276 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2019-11-24 05:12:29,276 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:12:29,276 INFO L440 ceAbstractionStarter]: At program point L220(lines 210 293) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,276 INFO L440 ceAbstractionStarter]: At program point L225(lines 225 232) the Hoare annotation is: (and (= 1 ~queue_empty~0) (= 0 ~in_encrypted~0)) [2019-11-24 05:12:29,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:12:29 BoogieIcfgContainer [2019-11-24 05:12:29,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:12:29,298 INFO L168 Benchmark]: Toolchain (without parser) took 10435.63 ms. Allocated memory was 138.9 MB in the beginning and 415.8 MB in the end (delta: 276.8 MB). Free memory was 99.5 MB in the beginning and 275.6 MB in the end (delta: -176.1 MB). Peak memory consumption was 100.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,299 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1183.30 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 99.3 MB in the beginning and 138.7 MB in the end (delta: -39.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.99 ms. Allocated memory is still 205.5 MB. Free memory was 138.7 MB in the beginning and 129.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,302 INFO L168 Benchmark]: Boogie Preprocessor took 170.39 ms. Allocated memory is still 205.5 MB. Free memory was 129.0 MB in the beginning and 121.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,303 INFO L168 Benchmark]: RCFGBuilder took 7309.06 ms. Allocated memory was 205.5 MB in the beginning and 351.3 MB in the end (delta: 145.8 MB). Free memory was 121.4 MB in the beginning and 133.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 193.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:12:29,304 INFO L168 Benchmark]: TraceAbstraction took 1568.12 ms. Allocated memory was 351.3 MB in the beginning and 415.8 MB in the end (delta: 64.5 MB). Free memory was 133.1 MB in the beginning and 275.6 MB in the end (delta: -142.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 05:12:29,309 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 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1183.30 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 99.3 MB in the beginning and 138.7 MB in the end (delta: -39.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 199.99 ms. Allocated memory is still 205.5 MB. Free memory was 138.7 MB in the beginning and 129.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 170.39 ms. Allocated memory is still 205.5 MB. Free memory was 129.0 MB in the beginning and 121.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7309.06 ms. Allocated memory was 205.5 MB in the beginning and 351.3 MB in the end (delta: 145.8 MB). Free memory was 121.4 MB in the beginning and 133.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 193.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1568.12 ms. Allocated memory was 351.3 MB in the beginning and 415.8 MB in the end (delta: 64.5 MB). Free memory was 133.1 MB in the beginning and 275.6 MB in the end (delta: -142.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1291]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1291]: 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: 186]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1450]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - InvariantResult [Line: 1394]: Loop Invariant Derived loop invariant: 1 == queue_empty && 1 <= tmp___1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 == queue_empty && 0 == in_encrypted - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 2 error locations. Result: SAFE, OverallTime: 1.4s, 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, 0.4s 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...