/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_spec0_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:50:29,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:50:29,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:50:29,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:50:29,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:50:29,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:50:29,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:50:29,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:50:29,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:50:29,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:50:29,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:50:29,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:50:29,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:50:29,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:50:29,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:50:29,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:50:29,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:50:29,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:50:29,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:50:29,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:50:29,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:50:29,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:50:29,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:50:29,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:50:29,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:50:29,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:50:29,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:50:29,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:50:29,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:50:29,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:50:29,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:50:29,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:50:29,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:50:29,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:50:29,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:50:29,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:50:29,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:50:29,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:50:29,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:50:29,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:50:29,930 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:50:29,930 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:50:29,931 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:50:29,931 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:50:29,931 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:50:29,931 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:50:29,931 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:50:29,932 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:50:29,932 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:50:29,932 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:50:29,932 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:50:29,932 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:50:29,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:50:29,933 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:50:29,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:50:29,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:50:29,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:50:29,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:50:29,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:50:29,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:50:29,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:50:29,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:50:29,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:50:29,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:50:29,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:50:29,939 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:50:29,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:50:29,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:50:29,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:50:29,940 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:50:30,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:50:30,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:50:30,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:50:30,236 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:50:30,236 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:50:30,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-11-24 04:50:30,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ecd378c2/08f0b7756a9d489b96d27c9c7d3e66bb/FLAG15dc29bda [2019-11-24 04:50:30,845 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:50:30,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-11-24 04:50:30,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ecd378c2/08f0b7756a9d489b96d27c9c7d3e66bb/FLAG15dc29bda [2019-11-24 04:50:31,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ecd378c2/08f0b7756a9d489b96d27c9c7d3e66bb [2019-11-24 04:50:31,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:50:31,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:50:31,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:50:31,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:50:31,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:50:31,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:50:31" (1/1) ... [2019-11-24 04:50:31,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9711f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:31, skipping insertion in model container [2019-11-24 04:50:31,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:50:31" (1/1) ... [2019-11-24 04:50:31,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:50:31,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:50:31,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:50:31,936 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:50:32,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:50:32,118 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:50:32,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32 WrapperNode [2019-11-24 04:50:32,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:50:32,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:50:32,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:50:32,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:50:32,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:50:32,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:50:32,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:50:32,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:50:32,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... [2019-11-24 04:50:32,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:50:32,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:50:32,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:50:32,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:50:32,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:50:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 04:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 04:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 04:50:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:50:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:50:37,659 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:50:37,660 INFO L284 CfgBuilder]: Removed 247 assume(true) statements. [2019-11-24 04:50:37,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:50:37 BoogieIcfgContainer [2019-11-24 04:50:37,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:50:37,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:50:37,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:50:37,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:50:37,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:50:31" (1/3) ... [2019-11-24 04:50:37,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58686efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:50:37, skipping insertion in model container [2019-11-24 04:50:37,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:50:32" (2/3) ... [2019-11-24 04:50:37,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58686efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:50:37, skipping insertion in model container [2019-11-24 04:50:37,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:50:37" (3/3) ... [2019-11-24 04:50:37,678 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2019-11-24 04:50:37,688 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:50:37,694 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 04:50:37,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 04:50:37,724 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:50:37,724 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:50:37,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:50:37,725 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:50:37,725 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:50:37,725 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:50:37,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:50:37,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:50:37,738 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-24 04:50:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 04:50:37,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:50:37,745 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:50:37,746 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:50:37,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:50:37,751 INFO L82 PathProgramCache]: Analyzing trace with hash 26766094, now seen corresponding path program 1 times [2019-11-24 04:50:37,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:50:37,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431878440] [2019-11-24 04:50:37,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:50:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:50:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:50:38,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431878440] [2019-11-24 04:50:38,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:50:38,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:50:38,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335105038] [2019-11-24 04:50:38,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 04:50:38,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:50:38,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 04:50:38,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:50:38,210 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-24 04:50:38,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:50:38,233 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-24 04:50:38,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 04:50:38,235 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-24 04:50:38,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:50:38,246 INFO L225 Difference]: With dead ends: 56 [2019-11-24 04:50:38,246 INFO L226 Difference]: Without dead ends: 38 [2019-11-24 04:50:38,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 04:50:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-24 04:50:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-24 04:50:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-24 04:50:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-24 04:50:38,292 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-24 04:50:38,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:50:38,292 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-24 04:50:38,292 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 04:50:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-24 04:50:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 04:50:38,293 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:50:38,293 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:50:38,294 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:50:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:50:38,294 INFO L82 PathProgramCache]: Analyzing trace with hash -8289721, now seen corresponding path program 1 times [2019-11-24 04:50:38,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:50:38,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537878491] [2019-11-24 04:50:38,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:50:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:50:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:50:38,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537878491] [2019-11-24 04:50:38,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:50:38,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:50:38,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777096326] [2019-11-24 04:50:38,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:50:38,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:50:38,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:50:38,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:50:38,398 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-24 04:50:38,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:50:38,422 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-24 04:50:38,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:50:38,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 04:50:38,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:50:38,425 INFO L225 Difference]: With dead ends: 52 [2019-11-24 04:50:38,425 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 04:50:38,427 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:50:38,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 04:50:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 04:50:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 04:50:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-24 04:50:38,443 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-24 04:50:38,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:50:38,443 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-24 04:50:38,443 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:50:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-24 04:50:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-24 04:50:38,446 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:50:38,447 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 04:50:38,447 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:50:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:50:38,448 INFO L82 PathProgramCache]: Analyzing trace with hash 647732395, now seen corresponding path program 1 times [2019-11-24 04:50:38,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:50:38,449 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092954494] [2019-11-24 04:50:38,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:50:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:50:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 04:50:38,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092954494] [2019-11-24 04:50:38,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:50:38,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 04:50:38,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619669146] [2019-11-24 04:50:38,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:50:38,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:50:38,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:50:38,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:50:38,665 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-24 04:50:38,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:50:38,694 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-24 04:50:38,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:50:38,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-24 04:50:38,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:50:38,696 INFO L225 Difference]: With dead ends: 43 [2019-11-24 04:50:38,696 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:50:38,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:50:38,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:50:38,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:50:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:50:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:50:38,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-24 04:50:38,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:50:38,698 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:50:38,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:50:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:50:38,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:50:38,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:50:38,777 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-24 04:50:38,777 INFO L447 ceAbstractionStarter]: At program point L2679(lines 2679 2686) the Hoare annotation is: true [2019-11-24 04:50:38,777 INFO L447 ceAbstractionStarter]: At program point L2746(lines 2746 2753) the Hoare annotation is: true [2019-11-24 04:50:38,777 INFO L447 ceAbstractionStarter]: At program point L175(lines 175 183) the Hoare annotation is: true [2019-11-24 04:50:38,778 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-24 04:50:38,778 INFO L444 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2019-11-24 04:50:38,778 INFO L440 ceAbstractionStarter]: At program point L44(lines 2567 2584) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~16) [2019-11-24 04:50:38,778 INFO L447 ceAbstractionStarter]: At program point L44-1(lines 2567 2584) the Hoare annotation is: true [2019-11-24 04:50:38,778 INFO L447 ceAbstractionStarter]: At program point L2688(lines 2675 2791) the Hoare annotation is: true [2019-11-24 04:50:38,779 INFO L447 ceAbstractionStarter]: At program point L2755(lines 2742 2786) the Hoare annotation is: true [2019-11-24 04:50:38,783 INFO L444 ceAbstractionStarter]: For program point L2626(lines 2625 2795) no Hoare annotation was computed. [2019-11-24 04:50:38,784 INFO L447 ceAbstractionStarter]: At program point L2693(lines 2693 2700) the Hoare annotation is: true [2019-11-24 04:50:38,784 INFO L447 ceAbstractionStarter]: At program point L2760(lines 2760 2767) the Hoare annotation is: true [2019-11-24 04:50:38,784 INFO L444 ceAbstractionStarter]: For program point L2633(lines 2633 2794) no Hoare annotation was computed. [2019-11-24 04:50:38,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:50:38,784 INFO L447 ceAbstractionStarter]: At program point L2702(lines 2689 2790) the Hoare annotation is: true [2019-11-24 04:50:38,784 INFO L447 ceAbstractionStarter]: At program point L2769(lines 2756 2785) the Hoare annotation is: true [2019-11-24 04:50:38,785 INFO L447 ceAbstractionStarter]: At program point L2637(lines 2637 2644) the Hoare annotation is: true [2019-11-24 04:50:38,785 INFO L447 ceAbstractionStarter]: At program point L2707(lines 2707 2714) the Hoare annotation is: true [2019-11-24 04:50:38,786 INFO L444 ceAbstractionStarter]: For program point L2575(lines 2575 2581) no Hoare annotation was computed. [2019-11-24 04:50:38,786 INFO L444 ceAbstractionStarter]: For program point L2575-2(lines 2575 2581) no Hoare annotation was computed. [2019-11-24 04:50:38,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-24 04:50:38,786 INFO L447 ceAbstractionStarter]: At program point L2774(lines 2774 2781) the Hoare annotation is: true [2019-11-24 04:50:38,786 INFO L447 ceAbstractionStarter]: At program point L2774-1(lines 2625 2795) the Hoare annotation is: true [2019-11-24 04:50:38,786 INFO L447 ceAbstractionStarter]: At program point L2646(lines 2633 2794) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L2716(lines 2703 2789) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L2651(lines 2651 2658) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L2721(lines 2721 2728) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L1535(lines 1535 1542) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L1535-1(lines 1 2803) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L1535-2(lines 1535 1542) the Hoare annotation is: true [2019-11-24 04:50:38,787 INFO L447 ceAbstractionStarter]: At program point L2660(lines 2647 2793) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point L2796(lines 2624 2797) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point L2730(lines 2717 2788) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point L2665(lines 2665 2672) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L444 ceAbstractionStarter]: For program point L2735(lines 2735 2739) no Hoare annotation was computed. [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point L2674(lines 2661 2792) the Hoare annotation is: true [2019-11-24 04:50:38,788 INFO L447 ceAbstractionStarter]: At program point L2741(lines 2731 2787) the Hoare annotation is: true [2019-11-24 04:50:38,789 INFO L447 ceAbstractionStarter]: At program point L231(lines 231 238) the Hoare annotation is: true [2019-11-24 04:50:38,789 INFO L447 ceAbstractionStarter]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2019-11-24 04:50:38,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:50:38 BoogieIcfgContainer [2019-11-24 04:50:38,805 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:50:38,809 INFO L168 Benchmark]: Toolchain (without parser) took 7706.73 ms. Allocated memory was 139.5 MB in the beginning and 340.3 MB in the end (delta: 200.8 MB). Free memory was 102.1 MB in the beginning and 225.9 MB in the end (delta: -123.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,810 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1017.61 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 145.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.19 ms. Allocated memory is still 204.5 MB. Free memory was 145.2 MB in the beginning and 136.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,815 INFO L168 Benchmark]: Boogie Preprocessor took 115.73 ms. Allocated memory is still 204.5 MB. Free memory was 136.8 MB in the beginning and 130.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,821 INFO L168 Benchmark]: RCFGBuilder took 5271.50 ms. Allocated memory was 204.5 MB in the beginning and 296.7 MB in the end (delta: 92.3 MB). Free memory was 130.6 MB in the beginning and 98.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 144.6 MB. Max. memory is 7.1 GB. [2019-11-24 04:50:38,823 INFO L168 Benchmark]: TraceAbstraction took 1141.41 ms. Allocated memory was 296.7 MB in the beginning and 340.3 MB in the end (delta: 43.5 MB). Free memory was 98.7 MB in the beginning and 225.9 MB in the end (delta: -127.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 04:50:38,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1017.61 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.8 MB in the beginning and 145.2 MB in the end (delta: -43.3 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 154.19 ms. Allocated memory is still 204.5 MB. Free memory was 145.2 MB in the beginning and 136.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.73 ms. Allocated memory is still 204.5 MB. Free memory was 136.8 MB in the beginning and 130.6 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5271.50 ms. Allocated memory was 204.5 MB in the beginning and 296.7 MB in the end (delta: 92.3 MB). Free memory was 130.6 MB in the beginning and 98.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 144.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1141.41 ms. Allocated memory was 296.7 MB in the beginning and 340.3 MB in the end (delta: 43.5 MB). Free memory was 98.7 MB in the beginning and 225.9 MB in the end (delta: -127.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: 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: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2647]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2721]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2567]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 2760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2703]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 4 SDslu, 111 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 33 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...