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/Problem19_label47_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:08:30,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:08:30,350 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:08:30,362 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:08:30,363 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:08:30,364 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:08:30,365 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:08:30,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:08:30,368 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:08:30,369 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:08:30,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:08:30,370 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:08:30,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:08:30,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:08:30,373 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:08:30,374 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:08:30,375 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:08:30,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:08:30,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:08:30,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:08:30,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:08:30,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:08:30,385 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 19:08:30,391 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:08:30,392 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:08:30,392 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:08:30,393 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:08:30,394 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 [2018-10-24 19:08:30,409 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:08:30,409 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:08:30,410 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:08:30,410 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:08:30,410 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:08:30,411 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:08:30,411 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:08:30,411 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:08:30,411 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:08:30,411 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:08:30,412 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:08:30,412 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:08:30,412 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:08:30,413 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:08:30,413 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:08:30,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:08:30,413 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:08:30,413 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:08:30,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:08:30,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:08:30,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:08:30,414 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:08:30,414 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:08:30,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:08:30,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:08:30,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:08:30,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:08:30,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:08:30,416 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:08:30,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:08:30,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:08:30,416 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:08:30,416 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:08:30,417 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:08:30,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:08:30,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:08:30,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:08:30,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:08:30,482 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:08:30,483 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label47_false-unreach-call.c [2018-10-24 19:08:30,540 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a98791a19/a551f1d2f5ac43478add9af6b1eda5eb/FLAG281261ab0 [2018-10-24 19:08:31,480 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:08:31,481 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label47_false-unreach-call.c [2018-10-24 19:08:31,531 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a98791a19/a551f1d2f5ac43478add9af6b1eda5eb/FLAG281261ab0 [2018-10-24 19:08:31,548 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/a98791a19/a551f1d2f5ac43478add9af6b1eda5eb [2018-10-24 19:08:31,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:08:31,563 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:08:31,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:31,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:08:31,569 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:08:31,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:31" (1/1) ... [2018-10-24 19:08:31,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f833bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:31, skipping insertion in model container [2018-10-24 19:08:31,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:31" (1/1) ... [2018-10-24 19:08:31,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:08:31,828 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:08:33,927 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:33,932 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:08:35,090 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:35,145 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:08:35,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35 WrapperNode [2018-10-24 19:08:35,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:35,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:35,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:08:35,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:08:35,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:35,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:35,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:35,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:08:35,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:08:35,891 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:08:35,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:35,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:35,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:35,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:36,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:36,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:36,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (1/1) ... [2018-10-24 19:08:36,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:08:36,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:08:36,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:08:36,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:08:36,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (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 19:08:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:08:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:08:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 19:08:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 19:08:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 19:08:36,497 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 19:08:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 19:08:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 19:08:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 19:08:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 19:08:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 19:08:36,499 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 19:08:36,499 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:08:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:08:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:08:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:08:36,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:08:36,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:08:55,259 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:08:55,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:55 BoogieIcfgContainer [2018-10-24 19:08:55,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:08:55,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:08:55,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:08:55,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:08:55,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:08:31" (1/3) ... [2018-10-24 19:08:55,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60712777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:55, skipping insertion in model container [2018-10-24 19:08:55,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:35" (2/3) ... [2018-10-24 19:08:55,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60712777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:55, skipping insertion in model container [2018-10-24 19:08:55,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:55" (3/3) ... [2018-10-24 19:08:55,273 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label47_false-unreach-call.c [2018-10-24 19:08:55,283 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:08:55,299 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:08:55,318 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:08:55,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:08:55,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:08:55,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:08:55,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:08:55,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:08:55,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:08:55,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:08:55,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:08:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 19:08:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-24 19:08:55,462 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:08:55,463 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:08:55,465 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:08:55,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:08:55,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1585777530, now seen corresponding path program 1 times [2018-10-24 19:08:55,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:08:55,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:55,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:08:55,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:55,529 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:08:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:08:55,886 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:08:55,983 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 19:08:55,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:08:55,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:08:55,986 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:08:55,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:08:56,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:08:56,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:08:56,007 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 19:09:15,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:15,768 INFO L93 Difference]: Finished difference Result 5034 states and 9499 transitions. [2018-10-24 19:09:15,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:09:15,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-24 19:09:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:15,815 INFO L225 Difference]: With dead ends: 5034 [2018-10-24 19:09:15,816 INFO L226 Difference]: Without dead ends: 3254 [2018-10-24 19:09:15,829 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:09:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2018-10-24 19:09:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3207. [2018-10-24 19:09:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3207 states. [2018-10-24 19:09:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 5994 transitions. [2018-10-24 19:09:16,033 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 5994 transitions. Word has length 15 [2018-10-24 19:09:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:16,034 INFO L481 AbstractCegarLoop]: Abstraction has 3207 states and 5994 transitions. [2018-10-24 19:09:16,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:09:16,034 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 5994 transitions. [2018-10-24 19:09:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-24 19:09:16,039 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:16,039 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:16,040 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:16,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:16,040 INFO L82 PathProgramCache]: Analyzing trace with hash -496581386, now seen corresponding path program 1 times [2018-10-24 19:09:16,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:16,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:16,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:16,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:16,042 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:16,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:16,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:09:16,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:16,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:09:16,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:09:16,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:16,663 INFO L87 Difference]: Start difference. First operand 3207 states and 5994 transitions. Second operand 6 states. [2018-10-24 19:09:43,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:43,699 INFO L93 Difference]: Finished difference Result 9590 states and 17980 transitions. [2018-10-24 19:09:43,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-24 19:09:43,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-10-24 19:09:43,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:43,750 INFO L225 Difference]: With dead ends: 9590 [2018-10-24 19:09:43,751 INFO L226 Difference]: Without dead ends: 6389 [2018-10-24 19:09:43,762 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:09:43,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6389 states. [2018-10-24 19:09:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6389 to 6281. [2018-10-24 19:09:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6281 states. [2018-10-24 19:09:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6281 states to 6281 states and 11310 transitions. [2018-10-24 19:09:43,982 INFO L78 Accepts]: Start accepts. Automaton has 6281 states and 11310 transitions. Word has length 88 [2018-10-24 19:09:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:43,983 INFO L481 AbstractCegarLoop]: Abstraction has 6281 states and 11310 transitions. [2018-10-24 19:09:43,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:09:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 6281 states and 11310 transitions. [2018-10-24 19:09:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-24 19:09:43,987 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:43,987 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:43,988 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:43,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:43,988 INFO L82 PathProgramCache]: Analyzing trace with hash -805674407, now seen corresponding path program 1 times [2018-10-24 19:09:43,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:43,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:43,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:43,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:43,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:44,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:44,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:09:44,302 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:44,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:09:44,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:09:44,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:09:44,304 INFO L87 Difference]: Start difference. First operand 6281 states and 11310 transitions. Second operand 5 states. [2018-10-24 19:10:13,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:13,128 INFO L93 Difference]: Finished difference Result 18969 states and 34378 transitions. [2018-10-24 19:10:13,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 19:10:13,134 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2018-10-24 19:10:13,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:13,205 INFO L225 Difference]: With dead ends: 18969 [2018-10-24 19:10:13,205 INFO L226 Difference]: Without dead ends: 12694 [2018-10-24 19:10:13,229 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 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 19:10:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12694 states. [2018-10-24 19:10:13,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12694 to 12416. [2018-10-24 19:10:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12416 states. [2018-10-24 19:10:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12416 states to 12416 states and 18931 transitions. [2018-10-24 19:10:13,577 INFO L78 Accepts]: Start accepts. Automaton has 12416 states and 18931 transitions. Word has length 102 [2018-10-24 19:10:13,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:13,578 INFO L481 AbstractCegarLoop]: Abstraction has 12416 states and 18931 transitions. [2018-10-24 19:10:13,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:10:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12416 states and 18931 transitions. [2018-10-24 19:10:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-24 19:10:13,590 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:13,590 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 19:10:13,591 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:13,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:13,593 INFO L82 PathProgramCache]: Analyzing trace with hash 530660719, now seen corresponding path program 1 times [2018-10-24 19:10:13,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:13,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:13,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:13,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:13,595 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 19:10:14,144 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:10:14,144 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:10:14,145 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-10-24 19:10:14,147 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5246], [5248], [5251], [5259], [5267], [5275], [5283], [5291], [5299], [5307], [5315], [5323], [5331], [5339], [5347], [5355], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5822], [5823], [5827], [5838], [5841], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 19:10:14,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:10:14,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:10:16,720 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:10:16,722 INFO L272 AbstractInterpreter]: Visited 95 different actions 95 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 19:10:16,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:16,732 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:10:18,552 INFO L232 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 74.97% of their original sizes. [2018-10-24 19:10:18,552 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:10:19,085 INFO L413 sIntCurrentIteration]: We have 191 unified AI predicates [2018-10-24 19:10:19,086 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:10:19,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:10:19,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 19:10:19,087 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:19,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 19:10:19,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 19:10:19,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:10:19,089 INFO L87 Difference]: Start difference. First operand 12416 states and 18931 transitions. Second operand 7 states. [2018-10-24 19:10:22,032 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-24 19:12:19,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:12:19,900 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:12:19,906 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:12:19,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:12:19 BoogieIcfgContainer [2018-10-24 19:12:19,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:12:19,907 INFO L168 Benchmark]: Toolchain (without parser) took 228345.50 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -748.8 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,909 INFO L168 Benchmark]: CDTParser took 0.23 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 19:12:19,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3582.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 969.4 MB in the end (delta: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 742.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 816.3 MB). Free memory was 969.4 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,911 INFO L168 Benchmark]: Boogie Preprocessor took 527.41 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,912 INFO L168 Benchmark]: RCFGBuilder took 18842.60 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 183.0 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 493.8 MB). Peak memory consumption was 676.8 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,913 INFO L168 Benchmark]: TraceAbstraction took 204641.80 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.6 GB in the beginning and 2.1 GB in the end (delta: -457.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:19,918 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 3582.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 969.4 MB in the end (delta: 382.2 MB). Peak memory consumption was 382.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 742.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 816.3 MB). Free memory was 969.4 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 527.41 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: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18842.60 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 183.0 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 493.8 MB). Peak memory consumption was 676.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 204641.80 ms. Allocated memory was 2.5 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.6 GB in the beginning and 2.1 GB in the end (delta: -457.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 40). Cancelled while BasicCegarLoop was constructing difference of abstraction (12416states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (5586 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 204.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 196.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2000 SDtfs, 16874 SDslu, 2405 SDs, 0 SdLazy, 23599 SolverSat, 5741 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 159.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 216 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12416occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9949254933548126 AbsIntWeakeningRatio, 0.14136125654450263 AbsIntAvgWeakeningVarsNumRemoved, 1033.738219895288 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 3 MinimizatonAttempts, 433 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 393 ConstructedInterpolants, 0 QuantifiedInterpolants, 254145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 37/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown