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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label41_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:31:59,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:31:59,103 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:31:59,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:31:59,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:31:59,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:31:59,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:31:59,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:31:59,126 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:31:59,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:31:59,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:31:59,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:31:59,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:31:59,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:31:59,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:31:59,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:31:59,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:31:59,135 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:31:59,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:31:59,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:31:59,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:31:59,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:31:59,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:31:59,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:31:59,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:31:59,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:31:59,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:31:59,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:31:59,152 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:31:59,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:31:59,156 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:31:59,157 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-26 23:31:59,161 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-26 23:31:59,187 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:31:59,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:31:59,188 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:31:59,188 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:31:59,188 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:31:59,188 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:31:59,189 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:31:59,189 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:31:59,189 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 23:31:59,190 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:31:59,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:31:59,190 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:31:59,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:31:59,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:31:59,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:31:59,191 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:31:59,191 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:31:59,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:31:59,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:31:59,194 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:31:59,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:31:59,194 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:31:59,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:31:59,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:31:59,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:31:59,195 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:31:59,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:31:59,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 23:31:59,196 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-26 23:31:59,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:31:59,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:31:59,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:31:59,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:31:59,270 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:31:59,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label41_false-unreach-call.c [2018-10-26 23:31:59,330 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac0441b64/1a5d3569acac48c78aa962840c619da9/FLAG2016e3079 [2018-10-26 23:31:59,877 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:31:59,878 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label41_false-unreach-call.c [2018-10-26 23:31:59,890 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac0441b64/1a5d3569acac48c78aa962840c619da9/FLAG2016e3079 [2018-10-26 23:31:59,906 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ac0441b64/1a5d3569acac48c78aa962840c619da9 [2018-10-26 23:31:59,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:31:59,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 23:31:59,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:31:59,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:31:59,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:31:59,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:31:59" (1/1) ... [2018-10-26 23:31:59,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d2dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:31:59, skipping insertion in model container [2018-10-26 23:31:59,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:31:59" (1/1) ... [2018-10-26 23:31:59,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:31:59,992 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:32:00,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:32:00,474 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:32:00,608 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:32:00,627 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:32:00,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00 WrapperNode [2018-10-26 23:32:00,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:32:00,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:32:00,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:32:00,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:32:00,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:32:00,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:32:00,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:32:00,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:32:00,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (1/1) ... [2018-10-26 23:32:00,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:32:00,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:32:00,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:32:00,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:32:00,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (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 [2018-10-26 23:32:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:32:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:32:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-26 23:32:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-26 23:32:01,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:32:01,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:32:01,027 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:32:01,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:32:04,579 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:32:04,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:32:04 BoogieIcfgContainer [2018-10-26 23:32:04,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:32:04,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:32:04,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:32:04,592 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:32:04,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:31:59" (1/3) ... [2018-10-26 23:32:04,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4821602c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:32:04, skipping insertion in model container [2018-10-26 23:32:04,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:32:00" (2/3) ... [2018-10-26 23:32:04,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4821602c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:32:04, skipping insertion in model container [2018-10-26 23:32:04,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:32:04" (3/3) ... [2018-10-26 23:32:04,598 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label41_false-unreach-call.c [2018-10-26 23:32:04,609 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:32:04,618 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 23:32:04,637 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 23:32:04,683 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:32:04,683 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:32:04,683 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:32:04,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:32:04,684 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:32:04,685 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:32:04,685 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:32:04,685 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:32:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-26 23:32:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:32:04,735 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:32:04,737 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-26 23:32:04,739 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:32:04,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:32:04,748 INFO L82 PathProgramCache]: Analyzing trace with hash 531161921, now seen corresponding path program 1 times [2018-10-26 23:32:04,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:32:04,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:04,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:32:04,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:04,815 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:32:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:05,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:32:05,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 23:32:05,207 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:32:05,213 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 23:32:05,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 23:32:05,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:32:05,232 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-10-26 23:32:07,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:32:07,210 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-10-26 23:32:07,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:32:07,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-10-26 23:32:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:32:07,233 INFO L225 Difference]: With dead ends: 574 [2018-10-26 23:32:07,234 INFO L226 Difference]: Without dead ends: 356 [2018-10-26 23:32:07,243 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 23:32:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-10-26 23:32:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-10-26 23:32:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-10-26 23:32:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-10-26 23:32:07,333 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 27 [2018-10-26 23:32:07,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:32:07,334 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-10-26 23:32:07,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 23:32:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-10-26 23:32:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 23:32:07,340 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:32:07,341 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 23:32:07,341 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:32:07,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:32:07,342 INFO L82 PathProgramCache]: Analyzing trace with hash 130424032, now seen corresponding path program 1 times [2018-10-26 23:32:07,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:32:07,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:07,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:32:07,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:07,344 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:32:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:07,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:32:07,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 23:32:07,678 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:32:07,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 23:32:07,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 23:32:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 23:32:07,681 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 6 states. [2018-10-26 23:32:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:32:09,512 INFO L93 Difference]: Finished difference Result 867 states and 1507 transitions. [2018-10-26 23:32:09,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 23:32:09,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-10-26 23:32:09,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:32:09,520 INFO L225 Difference]: With dead ends: 867 [2018-10-26 23:32:09,521 INFO L226 Difference]: Without dead ends: 517 [2018-10-26 23:32:09,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-26 23:32:09,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-10-26 23:32:09,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 508. [2018-10-26 23:32:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2018-10-26 23:32:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 831 transitions. [2018-10-26 23:32:09,572 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 831 transitions. Word has length 101 [2018-10-26 23:32:09,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:32:09,573 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 831 transitions. [2018-10-26 23:32:09,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 23:32:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 831 transitions. [2018-10-26 23:32:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 23:32:09,576 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:32:09,577 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 23:32:09,577 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:32:09,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:32:09,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1594427148, now seen corresponding path program 1 times [2018-10-26 23:32:09,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:32:09,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:09,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:32:09,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:32:09,579 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:32:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:32:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:32:09,872 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:32:09,873 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:32:09,874 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-10-26 23:32:09,877 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [117], [119], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:32:09,958 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:32:09,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:32:12,322 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:32:23,120 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:32:23,121 INFO L272 AbstractInterpreter]: Visited 87 different actions 492 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:32:23,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:32:23,132 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:32:24,805 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 82.95% of their original sizes. [2018-10-26 23:32:24,805 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:32:37,795 INFO L415 sIntCurrentIteration]: We unified 106 AI predicates to 106 [2018-10-26 23:32:37,795 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:32:37,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:32:37,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [7] total 21 [2018-10-26 23:32:37,797 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:32:37,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-10-26 23:32:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-10-26 23:32:37,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-26 23:32:37,799 INFO L87 Difference]: Start difference. First operand 508 states and 831 transitions. Second operand 16 states. [2018-10-26 23:35:00,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:35:00,289 INFO L93 Difference]: Finished difference Result 2053 states and 3465 transitions. [2018-10-26 23:35:00,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-26 23:35:00,290 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 107 [2018-10-26 23:35:00,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:35:00,298 INFO L225 Difference]: With dead ends: 2053 [2018-10-26 23:35:00,298 INFO L226 Difference]: Without dead ends: 1551 [2018-10-26 23:35:00,301 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 111 GetRequests, 80 SyntacticMatches, 12 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2018-10-26 23:35:00,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2018-10-26 23:35:00,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1236. [2018-10-26 23:35:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2018-10-26 23:35:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1623 transitions. [2018-10-26 23:35:00,403 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1623 transitions. Word has length 107 [2018-10-26 23:35:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:35:00,404 INFO L481 AbstractCegarLoop]: Abstraction has 1236 states and 1623 transitions. [2018-10-26 23:35:00,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-10-26 23:35:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1623 transitions. [2018-10-26 23:35:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-26 23:35:00,409 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:35:00,410 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-26 23:35:00,410 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:35:00,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1170146455, now seen corresponding path program 1 times [2018-10-26 23:35:00,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:35:00,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:00,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:35:00,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:35:00,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:35:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:35:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:35:00,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 23:35:00,935 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 23:35:00,935 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-10-26 23:35:00,935 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [117], [119], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-26 23:35:00,940 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 23:35:00,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:35:02,002 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 23:35:11,425 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:35:11,426 INFO L272 AbstractInterpreter]: Visited 99 different actions 471 times. Merged at 5 different actions 20 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-26 23:35:11,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:35:11,435 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:35:12,783 INFO L227 lantSequenceWeakener]: Weakened 44 states. On average, predicates are now at 75.11% of their original sizes. [2018-10-26 23:35:12,783 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:35:18,176 INFO L415 sIntCurrentIteration]: We unified 188 AI predicates to 188 [2018-10-26 23:35:18,176 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:35:18,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:35:18,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2018-10-26 23:35:18,177 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:35:18,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-26 23:35:18,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-26 23:35:18,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2018-10-26 23:35:18,179 INFO L87 Difference]: Start difference. First operand 1236 states and 1623 transitions. Second operand 20 states. Received shutdown request... [2018-10-26 23:36:06,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 23:36:06,148 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 23:36:06,153 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 23:36:06,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:36:06 BoogieIcfgContainer [2018-10-26 23:36:06,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:36:06,154 INFO L168 Benchmark]: Toolchain (without parser) took 246237.31 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 630.4 MB. Max. memory is 7.1 GB. [2018-10-26 23:36:06,156 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 23:36:06,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-26 23:36:06,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-26 23:36:06,159 INFO L168 Benchmark]: Boogie Preprocessor took 132.80 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 23:36:06,159 INFO L168 Benchmark]: RCFGBuilder took 3636.28 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: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. [2018-10-26 23:36:06,160 INFO L168 Benchmark]: TraceAbstraction took 241566.01 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 542.0 MB. Max. memory is 7.1 GB. [2018-10-26 23:36:06,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 186.64 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 742.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.80 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3636.28 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: 130.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241566.01 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 542.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 64). Cancelled while BasicCegarLoop was constructing difference of abstraction (1236states) and FLOYD_HOARE automaton (currently 15 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (359 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. TIMEOUT Result, 241.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 194.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 412 SDtfs, 3399 SDslu, 320 SDs, 0 SdLazy, 3503 SolverSat, 933 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 319 GetRequests, 254 SyntacticMatches, 15 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 20.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1236occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 23.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9928460514640638 AbsIntWeakeningRatio, 0.1564625850340136 AbsIntAvgWeakeningVarsNumRemoved, 656.1462585034013 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 324 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 420 ConstructedInterpolants, 0 QuantifiedInterpolants, 250916 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 141/151 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown