java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label35_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:46:42,246 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:46:42,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:46:42,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:46:42,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:46:42,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:46:42,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:46:42,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:46:42,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:46:42,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:46:42,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:46:42,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:46:42,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:46:42,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:46:42,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:46:42,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:46:42,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:46:42,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:46:42,291 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:46:42,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:46:42,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:46:42,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:46:42,300 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 23:46:42,314 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:46:42,343 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:46:42,344 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:46:42,344 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:46:42,345 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:46:42,345 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:46:42,345 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:46:42,345 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:46:42,345 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:46:42,346 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:46:42,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:46:42,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:46:42,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:46:42,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:46:42,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:46:42,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:46:42,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:46:42,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:46:42,349 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:46:42,349 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:46:42,349 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:46:42,349 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:46:42,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:46:42,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:46:42,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:46:42,350 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:46:42,350 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:46:42,350 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:46:42,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:46:42,351 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:46:42,351 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:46:42,351 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:46:42,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:46:42,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:46:42,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:46:42,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:46:42,413 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:46:42,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label35_false-unreach-call.c [2018-10-24 23:46:42,477 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ce41e4955/1bfae61d52524524b2941db49117fa50/FLAGa72b4738a [2018-10-24 23:46:43,205 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:46:43,206 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label35_false-unreach-call.c [2018-10-24 23:46:43,233 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ce41e4955/1bfae61d52524524b2941db49117fa50/FLAGa72b4738a [2018-10-24 23:46:43,250 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ce41e4955/1bfae61d52524524b2941db49117fa50 [2018-10-24 23:46:43,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:46:43,263 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:46:43,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:46:43,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:46:43,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:46:43,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:46:43" (1/1) ... [2018-10-24 23:46:43,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4621111d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:43, skipping insertion in model container [2018-10-24 23:46:43,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:46:43" (1/1) ... [2018-10-24 23:46:43,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:46:43,407 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:46:44,344 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:46:44,349 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:46:44,807 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:46:44,832 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:46:44,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44 WrapperNode [2018-10-24 23:46:44,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:46:44,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:46:44,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:46:44,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:46:44,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:44,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:46:45,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:46:45,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:46:45,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:46:45,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... [2018-10-24 23:46:45,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:46:45,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:46:45,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:46:45,632 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:46:45,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:46:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:46:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:46:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:46:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:46:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:46:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:46:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:46:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:46:45,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:46:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:46:59,661 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:46:59,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:46:59 BoogieIcfgContainer [2018-10-24 23:46:59,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:46:59,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:46:59,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:46:59,669 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:46:59,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:46:43" (1/3) ... [2018-10-24 23:46:59,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230e247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:46:59, skipping insertion in model container [2018-10-24 23:46:59,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:46:44" (2/3) ... [2018-10-24 23:46:59,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230e247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:46:59, skipping insertion in model container [2018-10-24 23:46:59,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:46:59" (3/3) ... [2018-10-24 23:46:59,673 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label35_false-unreach-call.c [2018-10-24 23:46:59,684 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:46:59,696 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:46:59,718 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:46:59,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:46:59,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:46:59,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:46:59,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:46:59,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:46:59,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:46:59,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:46:59,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:46:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 23:46:59,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-24 23:46:59,850 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:46:59,851 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:46:59,853 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:46:59,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:46:59,860 INFO L82 PathProgramCache]: Analyzing trace with hash 95572996, now seen corresponding path program 1 times [2018-10-24 23:46:59,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:46:59,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:46:59,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:46:59,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:46:59,915 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:46:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:47:00,279 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-24 23:47:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:47:00,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:47:00,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:47:00,286 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:47:00,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:47:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:47:00,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:47:00,312 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 23:47:09,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:47:09,981 INFO L93 Difference]: Finished difference Result 2164 states and 4009 transitions. [2018-10-24 23:47:09,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:47:09,992 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-10-24 23:47:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:47:10,025 INFO L225 Difference]: With dead ends: 2164 [2018-10-24 23:47:10,025 INFO L226 Difference]: Without dead ends: 1554 [2018-10-24 23:47:10,036 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:47:10,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2018-10-24 23:47:10,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1052. [2018-10-24 23:47:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2018-10-24 23:47:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1882 transitions. [2018-10-24 23:47:10,214 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1882 transitions. Word has length 14 [2018-10-24 23:47:10,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:47:10,214 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1882 transitions. [2018-10-24 23:47:10,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:47:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1882 transitions. [2018-10-24 23:47:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-24 23:47:10,223 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:47:10,224 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:47:10,224 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:47:10,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:47:10,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1287363666, now seen corresponding path program 1 times [2018-10-24 23:47:10,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:47:10,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:47:10,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:47:10,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:47:10,227 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:47:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:47:10,582 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:47:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:47:10,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:47:10,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:47:10,674 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:47:10,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:47:10,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:47:10,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:47:10,677 INFO L87 Difference]: Start difference. First operand 1052 states and 1882 transitions. Second operand 5 states. [2018-10-24 23:47:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:47:18,712 INFO L93 Difference]: Finished difference Result 3031 states and 5537 transitions. [2018-10-24 23:47:18,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:47:18,713 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2018-10-24 23:47:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:47:18,729 INFO L225 Difference]: With dead ends: 3031 [2018-10-24 23:47:18,730 INFO L226 Difference]: Without dead ends: 1985 [2018-10-24 23:47:18,734 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 23:47:18,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2018-10-24 23:47:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1959. [2018-10-24 23:47:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1959 states. [2018-10-24 23:47:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 3239 transitions. [2018-10-24 23:47:18,811 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 3239 transitions. Word has length 86 [2018-10-24 23:47:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:47:18,812 INFO L481 AbstractCegarLoop]: Abstraction has 1959 states and 3239 transitions. [2018-10-24 23:47:18,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:47:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3239 transitions. [2018-10-24 23:47:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-24 23:47:18,816 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:47:18,816 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:47:18,816 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:47:18,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:47:18,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1162270682, now seen corresponding path program 1 times [2018-10-24 23:47:18,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:47:18,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:47:18,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:47:18,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:47:18,818 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:47:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:47:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:47:19,070 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:47:19,070 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:47:19,071 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-10-24 23:47:19,073 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [722], [724], [727], [735], [743], [751], [759], [767], [775], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:47:19,119 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:47:19,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:47:20,850 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:47:20,852 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 23:47:20,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:47:20,896 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:47:20,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:47:20,896 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 23:47:20,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:47:20,912 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:47:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:47:20,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:47:27,600 WARN L179 SmtUtils]: Spent 4.05 s on a formula simplification that was a NOOP. DAG size: 42 [2018-10-24 23:47:31,942 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 23:47:31,944 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:131) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:928) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:767) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:339) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-10-24 23:47:31,948 INFO L168 Benchmark]: Toolchain (without parser) took 48686.38 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -378.1 MB). Peak memory consumption was 697.2 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,950 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 23:47:31,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1569.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 468.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -906.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,953 INFO L168 Benchmark]: Boogie Preprocessor took 329.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,953 INFO L168 Benchmark]: RCFGBuilder took 14030.14 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 459.4 MB). Peak memory consumption was 459.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,954 INFO L168 Benchmark]: TraceAbstraction took 32284.09 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 317.7 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -97.1 MB). Peak memory consumption was 220.6 MB. Max. memory is 7.1 GB. [2018-10-24 23:47:31,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1569.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 468.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 757.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -906.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 329.00 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 28.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14030.14 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 459.4 MB). Peak memory consumption was 459.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32284.09 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 317.7 MB). Free memory was 1.7 GB in the beginning and 1.8 GB in the end (delta: -97.1 MB). Peak memory consumption was 220.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...