/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_spec7_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:09:13,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:09:13,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:09:13,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:09:13,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:09:13,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:09:13,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:09:13,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:09:13,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:09:13,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:09:13,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:09:13,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:09:13,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:09:13,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:09:13,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:09:13,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:09:13,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:09:13,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:09:13,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:09:13,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:09:13,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:09:13,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:09:13,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:09:13,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:09:13,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:09:13,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:09:13,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:09:13,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:09:13,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:09:13,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:09:13,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:09:13,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:09:13,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:09:13,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:09:13,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:09:13,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:09:13,473 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 05:09:13,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:09:13,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:09:13,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:09:13,493 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:09:13,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:09:13,493 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:09:13,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:09:13,494 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:09:13,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:09:13,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:09:13,495 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:09:13,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:09:13,496 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:09:13,496 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:09:13,496 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:09:13,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:09:13,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:09:13,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:09:13,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:09:13,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:09:13,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:09:13,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:09:13,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:09:13,500 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:09:13,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:09:13,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:09:13,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:09:13,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:09:13,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:09:13,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:09:13,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:09:13,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:09:13,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:09:13,503 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:09:13,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:09:13,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:09:13,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:09:13,504 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:09:13,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:09:13,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:09:13,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:09:13,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:09:13,787 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:09:13,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2019-11-24 05:09:13,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2209806/a3491d5b35a54b8e943cfdd4cfaf8e64/FLAG54ac391d3 [2019-11-24 05:09:14,437 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:09:14,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product19.cil.c [2019-11-24 05:09:14,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2209806/a3491d5b35a54b8e943cfdd4cfaf8e64/FLAG54ac391d3 [2019-11-24 05:09:14,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2209806/a3491d5b35a54b8e943cfdd4cfaf8e64 [2019-11-24 05:09:14,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:09:14,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:09:14,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:09:14,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:09:14,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:09:14,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:09:14" (1/1) ... [2019-11-24 05:09:14,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a60573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:14, skipping insertion in model container [2019-11-24 05:09:14,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:09:14" (1/1) ... [2019-11-24 05:09:14,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:09:14,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:09:15,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:09:15,634 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:09:15,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:09:15,834 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:09:15,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15 WrapperNode [2019-11-24 05:09:15,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:09:15,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:09:15,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:09:15,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:09:15,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:15,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:09:16,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:09:16,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:09:16,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:09:16,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (1/1) ... [2019-11-24 05:09:16,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:09:16,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:09:16,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:09:16,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:09:16,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (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 05:09:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 05:09:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:09:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:09:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:09:16,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:09:22,678 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:09:22,679 INFO L284 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-24 05:09:22,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:09:22 BoogieIcfgContainer [2019-11-24 05:09:22,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:09:22,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:09:22,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:09:22,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:09:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:09:14" (1/3) ... [2019-11-24 05:09:22,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbae74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:09:22, skipping insertion in model container [2019-11-24 05:09:22,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:15" (2/3) ... [2019-11-24 05:09:22,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbae74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:09:22, skipping insertion in model container [2019-11-24 05:09:22,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:09:22" (3/3) ... [2019-11-24 05:09:22,698 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2019-11-24 05:09:22,708 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:09:22,717 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 05:09:22,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 05:09:22,757 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:09:22,757 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:09:22,757 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:09:22,758 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:09:22,758 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:09:22,758 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:09:22,758 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:09:22,759 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:09:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-24 05:09:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 05:09:22,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:22,785 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 05:09:22,785 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:22,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:22,792 INFO L82 PathProgramCache]: Analyzing trace with hash 12070634, now seen corresponding path program 1 times [2019-11-24 05:09:22,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:22,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656578405] [2019-11-24 05:09:22,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:23,176 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 05:09:23,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656578405] [2019-11-24 05:09:23,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:23,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:09:23,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564762523] [2019-11-24 05:09:23,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:09:23,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:23,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:09:23,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:09:23,204 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-24 05:09:23,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:23,226 INFO L93 Difference]: Finished difference Result 50 states and 79 transitions. [2019-11-24 05:09:23,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:09:23,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-24 05:09:23,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:23,240 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:09:23,240 INFO L226 Difference]: Without dead ends: 35 [2019-11-24 05:09:23,245 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 05:09:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-24 05:09:23,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-24 05:09:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-24 05:09:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 57 transitions. [2019-11-24 05:09:23,286 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 57 transitions. Word has length 6 [2019-11-24 05:09:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:23,287 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 57 transitions. [2019-11-24 05:09:23,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:09:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-11-24 05:09:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:09:23,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:23,288 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:09:23,288 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:23,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1787259551, now seen corresponding path program 1 times [2019-11-24 05:09:23,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:23,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143374913] [2019-11-24 05:09:23,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:23,434 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 05:09:23,435 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143374913] [2019-11-24 05:09:23,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:23,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:09:23,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300540894] [2019-11-24 05:09:23,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:09:23,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:23,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:09:23,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:23,438 INFO L87 Difference]: Start difference. First operand 35 states and 57 transitions. Second operand 3 states. [2019-11-24 05:09:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:23,458 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-24 05:09:23,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:09:23,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-24 05:09:23,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:23,461 INFO L225 Difference]: With dead ends: 46 [2019-11-24 05:09:23,461 INFO L226 Difference]: Without dead ends: 37 [2019-11-24 05:09:23,464 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 05:09:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-24 05:09:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-24 05:09:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-24 05:09:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2019-11-24 05:09:23,479 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 59 transitions. Word has length 7 [2019-11-24 05:09:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:23,479 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 59 transitions. [2019-11-24 05:09:23,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:09:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-11-24 05:09:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 05:09:23,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:23,481 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:09:23,481 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:23,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:23,482 INFO L82 PathProgramCache]: Analyzing trace with hash 462126665, now seen corresponding path program 1 times [2019-11-24 05:09:23,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:23,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353386969] [2019-11-24 05:09:23,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:23,656 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 05:09:23,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353386969] [2019-11-24 05:09:23,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:23,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:09:23,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857888636] [2019-11-24 05:09:23,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:09:23,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:23,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:09:23,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:23,659 INFO L87 Difference]: Start difference. First operand 37 states and 59 transitions. Second operand 3 states. [2019-11-24 05:09:23,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:23,673 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-11-24 05:09:23,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:09:23,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-24 05:09:23,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:23,674 INFO L225 Difference]: With dead ends: 37 [2019-11-24 05:09:23,674 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:09:23,675 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 05:09:23,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:09:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:09:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:09:23,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:09:23,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-24 05:09:23,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:23,676 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:09:23,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:09:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:09:23,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:09:23,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:09:23,720 INFO L447 ceAbstractionStarter]: At program point L1031(lines 1031 1038) the Hoare annotation is: true [2019-11-24 05:09:23,720 INFO L447 ceAbstractionStarter]: At program point L1040(lines 1027 1113) the Hoare annotation is: true [2019-11-24 05:09:23,720 INFO L447 ceAbstractionStarter]: At program point L1045(lines 1045 1052) the Hoare annotation is: true [2019-11-24 05:09:23,721 INFO L447 ceAbstractionStarter]: At program point L1054(lines 1041 1112) the Hoare annotation is: true [2019-11-24 05:09:23,721 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1810) no Hoare annotation was computed. [2019-11-24 05:09:23,721 INFO L444 ceAbstractionStarter]: For program point L1059(lines 1059 1063) no Hoare annotation was computed. [2019-11-24 05:09:23,721 INFO L447 ceAbstractionStarter]: At program point L1065(lines 1055 1111) the Hoare annotation is: true [2019-11-24 05:09:23,721 INFO L447 ceAbstractionStarter]: At program point L1070(lines 1070 1077) the Hoare annotation is: true [2019-11-24 05:09:23,721 INFO L447 ceAbstractionStarter]: At program point L1079(lines 1066 1110) the Hoare annotation is: true [2019-11-24 05:09:23,721 INFO L447 ceAbstractionStarter]: At program point L1084(lines 1084 1091) the Hoare annotation is: true [2019-11-24 05:09:23,722 INFO L444 ceAbstractionStarter]: For program point L953(lines 952 1119) no Hoare annotation was computed. [2019-11-24 05:09:23,722 INFO L440 ceAbstractionStarter]: At program point L1616(lines 1616 1624) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0) [2019-11-24 05:09:23,722 INFO L444 ceAbstractionStarter]: For program point L960(lines 960 1118) no Hoare annotation was computed. [2019-11-24 05:09:23,722 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1810) no Hoare annotation was computed. [2019-11-24 05:09:23,722 INFO L447 ceAbstractionStarter]: At program point L1093(lines 1080 1109) the Hoare annotation is: true [2019-11-24 05:09:23,722 INFO L447 ceAbstractionStarter]: At program point L964(lines 964 971) the Hoare annotation is: true [2019-11-24 05:09:23,723 INFO L447 ceAbstractionStarter]: At program point L1098(lines 1098 1105) the Hoare annotation is: true [2019-11-24 05:09:23,723 INFO L447 ceAbstractionStarter]: At program point L1098-1(lines 952 1119) the Hoare annotation is: true [2019-11-24 05:09:23,723 INFO L447 ceAbstractionStarter]: At program point L973(lines 960 1118) the Hoare annotation is: true [2019-11-24 05:09:23,723 INFO L444 ceAbstractionStarter]: For program point L978(lines 978 982) no Hoare annotation was computed. [2019-11-24 05:09:23,723 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:09:23,723 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 65) no Hoare annotation was computed. [2019-11-24 05:09:23,723 INFO L444 ceAbstractionStarter]: For program point L59-2(lines 59 65) no Hoare annotation was computed. [2019-11-24 05:09:23,723 INFO L447 ceAbstractionStarter]: At program point L984(lines 974 1117) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L1120(lines 951 1121) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L989(lines 989 996) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L998(lines 985 1116) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L1003(lines 1003 1010) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L1672(lines 1672 1679) the Hoare annotation is: true [2019-11-24 05:09:23,724 INFO L447 ceAbstractionStarter]: At program point L1672-1(lines 1672 1679) the Hoare annotation is: true [2019-11-24 05:09:23,725 INFO L447 ceAbstractionStarter]: At program point L1012(lines 999 1115) the Hoare annotation is: true [2019-11-24 05:09:23,725 INFO L447 ceAbstractionStarter]: At program point L1017(lines 1017 1024) the Hoare annotation is: true [2019-11-24 05:09:23,725 INFO L444 ceAbstractionStarter]: For program point L1810(line 1810) no Hoare annotation was computed. [2019-11-24 05:09:23,725 INFO L444 ceAbstractionStarter]: For program point L1810-1(line 1810) no Hoare annotation was computed. [2019-11-24 05:09:23,725 INFO L440 ceAbstractionStarter]: At program point L1811(lines 52 68) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0) [2019-11-24 05:09:23,725 INFO L447 ceAbstractionStarter]: At program point L1811-1(lines 52 68) the Hoare annotation is: true [2019-11-24 05:09:23,725 INFO L447 ceAbstractionStarter]: At program point L1026(lines 1013 1114) the Hoare annotation is: true [2019-11-24 05:09:23,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:09:23 BoogieIcfgContainer [2019-11-24 05:09:23,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:09:23,741 INFO L168 Benchmark]: Toolchain (without parser) took 9050.19 ms. Allocated memory was 136.3 MB in the beginning and 377.5 MB in the end (delta: 241.2 MB). Free memory was 98.4 MB in the beginning and 230.3 MB in the end (delta: -131.9 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,742 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1141.65 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.2 MB in the beginning and 134.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.02 ms. Allocated memory is still 200.8 MB. Free memory was 133.8 MB in the beginning and 124.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,745 INFO L168 Benchmark]: Boogie Preprocessor took 142.60 ms. Allocated memory is still 200.8 MB. Free memory was 124.3 MB in the beginning and 117.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,746 INFO L168 Benchmark]: RCFGBuilder took 6539.21 ms. Allocated memory was 200.8 MB in the beginning and 377.5 MB in the end (delta: 176.7 MB). Free memory was 117.6 MB in the beginning and 304.7 MB in the end (delta: -187.1 MB). Peak memory consumption was 230.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,747 INFO L168 Benchmark]: TraceAbstraction took 1052.20 ms. Allocated memory is still 377.5 MB. Free memory was 304.7 MB in the beginning and 230.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:23,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1141.65 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 98.2 MB in the beginning and 134.6 MB in the end (delta: -36.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 164.02 ms. Allocated memory is still 200.8 MB. Free memory was 133.8 MB in the beginning and 124.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.60 ms. Allocated memory is still 200.8 MB. Free memory was 124.3 MB in the beginning and 117.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6539.21 ms. Allocated memory was 200.8 MB in the beginning and 377.5 MB in the end (delta: 176.7 MB). Free memory was 117.6 MB in the beginning and 304.7 MB in the end (delta: -187.1 MB). Peak memory consumption was 230.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1052.20 ms. Allocated memory is still 377.5 MB. Free memory was 304.7 MB in the beginning and 230.3 MB in the end (delta: 74.4 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1810]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1810]: 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: 1003]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1045]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1098]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1031]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1080]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1616]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 1027]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1017]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1055]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1041]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1672]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 2 SDslu, 103 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 33 NumberOfFragments, 31 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...