java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:05:32,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:05:32,420 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:05:32,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:05:32,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:05:32,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:05:32,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:05:32,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:05:32,440 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:05:32,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:05:32,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:05:32,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:05:32,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:05:32,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:05:32,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:05:32,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:05:32,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:05:32,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:05:32,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:05:32,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:05:32,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:05:32,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:05:32,457 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 10:05:32,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 10:05:32,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 10:05:32,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 10:05:32,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 10:05:32,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 10:05:32,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 10:05:32,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 10:05:32,463 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 10:05:32,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 10:05:32,464 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:05:32,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:05:32,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:05:32,466 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:05:32,467 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 10:05:32,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:05:32,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:05:32,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:05:32,497 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:05:32,497 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:05:32,497 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:05:32,497 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:05:32,497 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:05:32,498 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:05:32,498 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:05:32,498 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:05:32,498 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:05:32,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:05:32,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:05:32,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:05:32,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:05:32,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:05:32,502 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:05:32,502 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:05:32,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:05:32,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:05:32,502 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:05:32,503 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:05:32,503 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:05:32,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:05:32,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:05:32,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:05:32,505 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:05:32,505 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:05:32,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:05:32,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:05:32,506 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:05:32,506 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:05:32,506 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:05:32,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:05:32,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:05:32,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:05:32,608 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:05:32,609 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:05:32,610 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-09-18 10:05:32,989 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f100598/a7f67b82755f445cb2fc2f03b16e730f/FLAGc1f9b8e77 [2018-09-18 10:05:33,151 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:05:33,151 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3_true-unreach-call.c [2018-09-18 10:05:33,158 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f100598/a7f67b82755f445cb2fc2f03b16e730f/FLAGc1f9b8e77 [2018-09-18 10:05:33,173 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f100598/a7f67b82755f445cb2fc2f03b16e730f [2018-09-18 10:05:33,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:05:33,189 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:05:33,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:05:33,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:05:33,198 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:05:33,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bccedb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33, skipping insertion in model container [2018-09-18 10:05:33,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,215 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:05:33,422 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:05:33,443 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:05:33,454 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:05:33,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33 WrapperNode [2018-09-18 10:05:33,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:05:33,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:05:33,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:05:33,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:05:33,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:05:33,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:05:33,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:05:33,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:05:33,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... [2018-09-18 10:05:33,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:05:33,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:05:33,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:05:33,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:05:33,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:05:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:05:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:05:33,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:05:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:05:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:05:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:05:33,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 10:05:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 10:05:34,117 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:05:34,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:05:34 BoogieIcfgContainer [2018-09-18 10:05:34,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:05:34,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:05:34,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:05:34,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:05:34,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:05:33" (1/3) ... [2018-09-18 10:05:34,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284225d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:05:34, skipping insertion in model container [2018-09-18 10:05:34,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:05:33" (2/3) ... [2018-09-18 10:05:34,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284225d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:05:34, skipping insertion in model container [2018-09-18 10:05:34,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:05:34" (3/3) ... [2018-09-18 10:05:34,140 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c [2018-09-18 10:05:34,153 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:05:34,162 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:05:34,215 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:05:34,216 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:05:34,216 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:05:34,216 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:05:34,217 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:05:34,217 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:05:34,217 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:05:34,217 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:05:34,217 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:05:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-18 10:05:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-18 10:05:34,246 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:05:34,247 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:05:34,248 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:05:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1560473904, now seen corresponding path program 1 times [2018-09-18 10:05:34,258 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:05:34,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:05:34,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,316 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:05:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:05:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:05:34,377 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:05:34,377 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-18 10:05:34,377 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:05:34,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-18 10:05:34,398 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-18 10:05:34,399 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 10:05:34,402 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-09-18 10:05:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:05:34,426 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2018-09-18 10:05:34,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-18 10:05:34,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-09-18 10:05:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:05:34,443 INFO L225 Difference]: With dead ends: 37 [2018-09-18 10:05:34,443 INFO L226 Difference]: Without dead ends: 17 [2018-09-18 10:05:34,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 10:05:34,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-09-18 10:05:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-09-18 10:05:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-09-18 10:05:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2018-09-18 10:05:34,500 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 11 [2018-09-18 10:05:34,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:05:34,501 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2018-09-18 10:05:34,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-18 10:05:34,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-09-18 10:05:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-18 10:05:34,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:05:34,502 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:05:34,503 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:05:34,503 INFO L82 PathProgramCache]: Analyzing trace with hash -808267866, now seen corresponding path program 1 times [2018-09-18 10:05:34,503 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:05:34,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:05:34,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,505 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:05:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:05:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:05:34,613 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:05:34,613 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 10:05:34,613 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:05:34,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 10:05:34,615 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 10:05:34,615 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:05:34,615 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand 3 states. [2018-09-18 10:05:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:05:34,688 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2018-09-18 10:05:34,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 10:05:34,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-09-18 10:05:34,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:05:34,690 INFO L225 Difference]: With dead ends: 29 [2018-09-18 10:05:34,690 INFO L226 Difference]: Without dead ends: 23 [2018-09-18 10:05:34,691 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 10:05:34,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-09-18 10:05:34,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2018-09-18 10:05:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-18 10:05:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2018-09-18 10:05:34,697 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 13 [2018-09-18 10:05:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:05:34,698 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2018-09-18 10:05:34,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 10:05:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-09-18 10:05:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-18 10:05:34,699 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:05:34,699 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:05:34,699 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:05:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash -109903733, now seen corresponding path program 1 times [2018-09-18 10:05:34,700 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:05:34,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:05:34,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:34,701 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:05:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:05:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:05:34,975 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:05:34,975 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:05:34,976 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:05:34,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:05:34,976 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:05:34,976 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:05:34,977 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 5 states. [2018-09-18 10:05:44,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:05:44,922 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2018-09-18 10:05:44,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 10:05:44,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-09-18 10:05:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:05:44,926 INFO L225 Difference]: With dead ends: 32 [2018-09-18 10:05:44,926 INFO L226 Difference]: Without dead ends: 26 [2018-09-18 10:05:44,926 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:05:44,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-09-18 10:05:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2018-09-18 10:05:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-09-18 10:05:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2018-09-18 10:05:44,931 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 17 [2018-09-18 10:05:44,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:05:44,932 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2018-09-18 10:05:44,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:05:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-09-18 10:05:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-18 10:05:44,933 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:05:44,933 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:05:44,933 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:05:44,934 INFO L82 PathProgramCache]: Analyzing trace with hash 887741156, now seen corresponding path program 1 times [2018-09-18 10:05:44,934 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:05:44,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:44,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:05:44,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:05:44,935 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:05:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:05:45,202 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 14 [2018-09-18 10:05:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:05:45,328 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:05:45,328 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:05:45,328 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:05:45,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:05:45,329 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:05:45,329 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:05:45,329 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 5 states. [2018-09-18 10:05:50,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:05:50,472 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2018-09-18 10:05:50,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 10:05:50,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-09-18 10:05:50,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:05:50,473 INFO L225 Difference]: With dead ends: 39 [2018-09-18 10:05:50,474 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:05:50,475 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:05:50,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:05:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:05:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:05:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:05:50,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-09-18 10:05:50,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:05:50,476 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:05:50,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:05:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:05:50,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:05:50,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:05:54,683 WARN L178 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2018-09-18 10:05:57,218 WARN L178 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-09-18 10:05:57,221 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-18 10:05:57,221 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:05:57,221 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:05:57,221 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-18 10:05:57,222 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:05:57,222 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:05:57,222 INFO L422 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (<= (* 36893488151714070528 (div (+ (* 1431655765 main_~x~0) 4294967296) 4294967296)) (+ (* 12297829381041378645 main_~x~0) 12297829382473034411)) [2018-09-18 10:05:57,222 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed. [2018-09-18 10:05:57,222 INFO L426 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2018-09-18 10:05:57,223 INFO L422 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (let ((.cse0 (* 2 main_~x~0))) (<= (+ .cse0 (div main_~x~0 4294967296)) (* 3 (div (+ (div (+ main_~x~0 (- 3)) 4294967296) .cse0) 3)))) (and (<= 1 main_~y~0) (<= main_~y~0 1))) [2018-09-18 10:05:57,223 INFO L426 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2018-09-18 10:05:57,223 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 12 33) no Hoare annotation was computed. [2018-09-18 10:05:57,223 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-09-18 10:05:57,223 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true [2018-09-18 10:05:57,223 INFO L426 ceAbstractionStarter]: For program point L20(lines 20 27) no Hoare annotation was computed. [2018-09-18 10:05:57,223 INFO L426 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2018-09-18 10:05:57,224 INFO L426 ceAbstractionStarter]: For program point L16-2(lines 16 29) no Hoare annotation was computed. [2018-09-18 10:05:57,224 INFO L426 ceAbstractionStarter]: For program point L16-4(lines 12 33) no Hoare annotation was computed. [2018-09-18 10:05:57,224 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-09-18 10:05:57,224 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true [2018-09-18 10:05:57,224 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed. [2018-09-18 10:05:57,224 INFO L426 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-09-18 10:05:57,225 INFO L426 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2018-09-18 10:05:57,225 INFO L426 ceAbstractionStarter]: For program point L7-2(lines 6 10) no Hoare annotation was computed. [2018-09-18 10:05:57,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:05:57 BoogieIcfgContainer [2018-09-18 10:05:57,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:05:57,237 INFO L168 Benchmark]: Toolchain (without parser) took 24051.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -725.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2018-09-18 10:05:57,239 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-09-18 10:05:57,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.27 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:05:57,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.19 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. [2018-09-18 10:05:57,241 INFO L168 Benchmark]: Boogie Preprocessor took 43.00 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. [2018-09-18 10:05:57,241 INFO L168 Benchmark]: RCFGBuilder took 575.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-18 10:05:57,243 INFO L168 Benchmark]: TraceAbstraction took 23110.19 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. [2018-09-18 10:05:57,249 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 282.27 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 25.19 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. * Boogie Preprocessor took 43.00 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. * RCFGBuilder took 575.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 771.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -822.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23110.19 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: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 2 * x + x / 4294967296 <= 3 * (((x + -3) / 4294967296 + 2 * x) / 3) || (1 <= y && y <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 15.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 90 SDtfs, 11 SDslu, 115 SDs, 0 SdLazy, 46 SolverSat, 7 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 49 HoareAnnotationTreeSize, 11 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 4029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/mod3_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-05-57-276.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/mod3_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-05-57-276.csv Received shutdown request...