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/Problem03_label39_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 21:16:15,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 21:16:15,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 21:16:15,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 21:16:15,022 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 21:16:15,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 21:16:15,025 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 21:16:15,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 21:16:15,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 21:16:15,029 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 21:16:15,030 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 21:16:15,031 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 21:16:15,032 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 21:16:15,033 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 21:16:15,036 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 21:16:15,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 21:16:15,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 21:16:15,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 21:16:15,045 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 21:16:15,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 21:16:15,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 21:16:15,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 21:16:15,055 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 21:16:15,069 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 [2018-10-23 21:16:15,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 21:16:15,099 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 21:16:15,100 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 21:16:15,100 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 21:16:15,101 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 21:16:15,101 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 21:16:15,101 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 21:16:15,101 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 21:16:15,101 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 21:16:15,102 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 21:16:15,102 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 21:16:15,102 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 21:16:15,103 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 21:16:15,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 21:16:15,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 21:16:15,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 21:16:15,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 21:16:15,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 21:16:15,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 21:16:15,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 21:16:15,104 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 21:16:15,104 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 21:16:15,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 21:16:15,106 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 21:16:15,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 21:16:15,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 21:16:15,107 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 21:16:15,108 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 21:16:15,108 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 21:16:15,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 21:16:15,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 21:16:15,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 21:16:15,197 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 21:16:15,197 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 21:16:15,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label39_false-unreach-call.c [2018-10-23 21:16:15,260 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5e0d022b3/b9da666bb32f48ba82016146522485a0/FLAG04f47fefc [2018-10-23 21:16:15,973 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 21:16:15,974 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label39_false-unreach-call.c [2018-10-23 21:16:15,994 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5e0d022b3/b9da666bb32f48ba82016146522485a0/FLAG04f47fefc [2018-10-23 21:16:16,012 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5e0d022b3/b9da666bb32f48ba82016146522485a0 [2018-10-23 21:16:16,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 21:16:16,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 21:16:16,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 21:16:16,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 21:16:16,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 21:16:16,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:16:16" (1/1) ... [2018-10-23 21:16:16,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4145bbd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:16, skipping insertion in model container [2018-10-23 21:16:16,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:16:16" (1/1) ... [2018-10-23 21:16:16,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 21:16:16,132 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 21:16:16,807 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 21:16:16,812 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 21:16:17,078 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 21:16:17,104 INFO L193 MainTranslator]: Completed translation [2018-10-23 21:16:17,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17 WrapperNode [2018-10-23 21:16:17,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 21:16:17,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 21:16:17,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 21:16:17,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 21:16:17,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 21:16:17,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 21:16:17,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 21:16:17,427 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 21:16:17,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (1/1) ... [2018-10-23 21:16:17,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 21:16:17,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 21:16:17,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 21:16:17,573 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 21:16:17,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (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 [2018-10-23 21:16:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 21:16:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 21:16:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 21:16:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 21:16:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 21:16:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 21:16:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 21:16:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 21:16:23,146 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 21:16:23,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:16:23 BoogieIcfgContainer [2018-10-23 21:16:23,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 21:16:23,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 21:16:23,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 21:16:23,152 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 21:16:23,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:16:16" (1/3) ... [2018-10-23 21:16:23,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@901b136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:16:23, skipping insertion in model container [2018-10-23 21:16:23,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:16:17" (2/3) ... [2018-10-23 21:16:23,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@901b136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:16:23, skipping insertion in model container [2018-10-23 21:16:23,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:16:23" (3/3) ... [2018-10-23 21:16:23,157 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label39_false-unreach-call.c [2018-10-23 21:16:23,168 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 21:16:23,178 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 21:16:23,198 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 21:16:23,241 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 21:16:23,241 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 21:16:23,241 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 21:16:23,241 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 21:16:23,242 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 21:16:23,242 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 21:16:23,242 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 21:16:23,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 21:16:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-23 21:16:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-23 21:16:23,292 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:16:23,296 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, 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, 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] [2018-10-23 21:16:23,299 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:16:23,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:16:23,308 INFO L82 PathProgramCache]: Analyzing trace with hash -183050031, now seen corresponding path program 1 times [2018-10-23 21:16:23,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:16:23,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:23,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:16:23,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:23,367 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:16:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:16:24,164 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 21:16:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:16:24,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:16:24,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 21:16:24,334 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:16:24,341 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 21:16:24,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 21:16:24,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:16:24,361 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2018-10-23 21:16:26,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:16:26,798 INFO L93 Difference]: Finished difference Result 855 states and 1508 transitions. [2018-10-23 21:16:26,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 21:16:26,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-10-23 21:16:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:16:26,827 INFO L225 Difference]: With dead ends: 855 [2018-10-23 21:16:26,828 INFO L226 Difference]: Without dead ends: 541 [2018-10-23 21:16:26,837 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 21:16:26,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-10-23 21:16:26,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 527. [2018-10-23 21:16:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2018-10-23 21:16:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 901 transitions. [2018-10-23 21:16:26,983 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 901 transitions. Word has length 154 [2018-10-23 21:16:26,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:16:26,984 INFO L481 AbstractCegarLoop]: Abstraction has 527 states and 901 transitions. [2018-10-23 21:16:26,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 21:16:26,986 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 901 transitions. [2018-10-23 21:16:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-23 21:16:27,000 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:16:27,005 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, 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] [2018-10-23 21:16:27,005 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:16:27,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:16:27,006 INFO L82 PathProgramCache]: Analyzing trace with hash 963012984, now seen corresponding path program 1 times [2018-10-23 21:16:27,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:16:27,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:27,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:16:27,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:27,008 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:16:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:16:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:16:27,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:16:27,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 21:16:27,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:16:27,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 21:16:27,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 21:16:27,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 21:16:27,418 INFO L87 Difference]: Start difference. First operand 527 states and 901 transitions. Second operand 6 states. [2018-10-23 21:16:27,771 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-23 21:16:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:16:31,708 INFO L93 Difference]: Finished difference Result 1590 states and 2790 transitions. [2018-10-23 21:16:31,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-23 21:16:31,718 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-10-23 21:16:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:16:31,730 INFO L225 Difference]: With dead ends: 1590 [2018-10-23 21:16:31,731 INFO L226 Difference]: Without dead ends: 1069 [2018-10-23 21:16:31,737 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 21:16:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2018-10-23 21:16:31,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1024. [2018-10-23 21:16:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2018-10-23 21:16:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1744 transitions. [2018-10-23 21:16:31,804 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1744 transitions. Word has length 164 [2018-10-23 21:16:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:16:31,805 INFO L481 AbstractCegarLoop]: Abstraction has 1024 states and 1744 transitions. [2018-10-23 21:16:31,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 21:16:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1744 transitions. [2018-10-23 21:16:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-23 21:16:31,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:16:31,810 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1] [2018-10-23 21:16:31,810 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:16:31,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:16:31,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1218185600, now seen corresponding path program 1 times [2018-10-23 21:16:31,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:16:31,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:31,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:16:31,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:31,813 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:16:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:16:32,027 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-23 21:16:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:16:32,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 21:16:32,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 21:16:32,060 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 21:16:32,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 21:16:32,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 21:16:32,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-23 21:16:32,062 INFO L87 Difference]: Start difference. First operand 1024 states and 1744 transitions. Second operand 5 states. [2018-10-23 21:16:35,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 21:16:35,570 INFO L93 Difference]: Finished difference Result 3166 states and 5668 transitions. [2018-10-23 21:16:35,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 21:16:35,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2018-10-23 21:16:35,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 21:16:35,605 INFO L225 Difference]: With dead ends: 3166 [2018-10-23 21:16:35,606 INFO L226 Difference]: Without dead ends: 2148 [2018-10-23 21:16:35,613 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-23 21:16:35,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-10-23 21:16:35,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2105. [2018-10-23 21:16:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2018-10-23 21:16:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 3420 transitions. [2018-10-23 21:16:35,708 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 3420 transitions. Word has length 165 [2018-10-23 21:16:35,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 21:16:35,709 INFO L481 AbstractCegarLoop]: Abstraction has 2105 states and 3420 transitions. [2018-10-23 21:16:35,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 21:16:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 3420 transitions. [2018-10-23 21:16:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-23 21:16:35,715 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 21:16:35,715 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1] [2018-10-23 21:16:35,715 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 21:16:35,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 21:16:35,716 INFO L82 PathProgramCache]: Analyzing trace with hash -231174827, now seen corresponding path program 1 times [2018-10-23 21:16:35,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 21:16:35,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:35,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:16:35,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 21:16:35,718 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 21:16:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:16:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 21:16:36,145 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 21:16:36,145 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 21:16:36,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 168 with the following transitions: [2018-10-23 21:16:36,149 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [693], [695], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-23 21:16:36,245 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 21:16:36,246 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-10-23 21:20:49,941 WARN L572 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-10-23 21:20:49,942 WARN L158 AbstractInterpreter]: Abstract interpretation run out of time [2018-10-23 21:20:49,944 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-23 21:20:49,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 21:20:49,944 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 [2018-10-23 21:20:49,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 21:20:49,956 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-23 21:20:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 21:20:50,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-23 21:20:50,202 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-23 21:20:50,403 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-23 21:20:50,404 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 21:20:50,410 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 21:20:50,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:20:50 BoogieIcfgContainer [2018-10-23 21:20:50,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 21:20:50,416 INFO L168 Benchmark]: Toolchain (without parser) took 274389.70 ms. Allocated memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -571.2 MB). Peak memory consumption was 806.1 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,417 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-23 21:20:50,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.40 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 319.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,424 INFO L168 Benchmark]: Boogie Preprocessor took 145.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,424 INFO L168 Benchmark]: RCFGBuilder took 5575.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 257.0 MB). Peak memory consumption was 257.0 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,427 INFO L168 Benchmark]: TraceAbstraction took 267262.08 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 613.9 MB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -42.7 MB). Peak memory consumption was 571.3 MB. Max. memory is 7.1 GB. [2018-10-23 21:20:50,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 1077.40 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 319.90 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.4 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -883.7 MB). Peak memory consumption was 40.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.25 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5575.16 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 257.0 MB). Peak memory consumption was 257.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 267262.08 ms. Allocated memory was 2.3 GB in the beginning and 2.9 GB in the end (delta: 613.9 MB). Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -42.7 MB). Peak memory consumption was 571.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1476]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1476). Cancelled while BasicCegarLoop was analyzing trace of length 168 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 267.1s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 10.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 503 SDtfs, 2441 SDslu, 521 SDs, 0 SdLazy, 3550 SolverSat, 563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2105occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 253.7s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 102 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 160400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 13/13 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown